This question refers to the same table of data described above. Which information could likely NOT be found with the data collected?

Whether students who are new to the school take longer to get to school than other students

The average time it takes students to get to school

The most common travel mode students use to get to school

Whether students who arrive to school later take longer to get to school

The chart above shows the frequency of searches for the words "pencil" and "pen" over a 5 year period. Which of the following is the best interpretation of the chart above?

At any point in time there are typically more people searching for the word "pen" than "pencil"

Pens are a better writing tool than pencils

More people use pens than pencils

The number of pens sold has increased slowly over time

The mayor of a city is interested in learning what goals are most important for residents of the city. Members of her staff visit one of the many neighborhoods in the city and ask 20 residents to fill out a survey. The mayor is concerned that the survey may be biased and not accurately reflect the overall interests in her town. Which of the following strategies is MOST likely to address concerns about the data being biased or inaccurate

Visiting multiple new neighborhoods to collect more survey responses

Finding the same people surveyed previously to ask more detailed questions.

Visiting the same neighborhood to collect more survey responses

Having her staff collect the data using an app rather than paper surveys

In which of the following situations would parallel systems MOST likely be used to help analyze data?

Data analysis involving large datasets

Data analysis involving two or more columns of data

Data analysis involving both string and numeric data

Data analysis that could result in two or more different types of visualizations

The next two questions refer to the following chart. The chart below has a single point for every breed of dog. Each point indicates the maximum weight of that breed and the maximum number of years that breed of dog lives to. Which of the following conclusions is BEST supported by the scatter plot?

Dog breeds with a higher maximum weight tend to have shorter maximum lifespans

Dog breeds with a higher maximum weight tend to have longer maximum lifespans

All dog breeds tend to have the same average lifespan

Older dogs weigh more than younger dogs

This question refers to the chart from the previous question. Which of the following conclusions is BEST supported by the scatter plot?

All dog breeds that weigh less than 50 pounds have a maximum lifespan of more than 10 years

Most dogs breeds have a maximum weight of 100 lbs or more

Most dog breeds have a maximum life span of 10 or fewer years

No dog breeds that weigh more than 150 pounds are expected to live more than 10 years.

The histogram chart below has a single bar for every state in the United States. Each state is placed in a bucket, or range, based on its area in square miles. Which of the following conclusions is BEST supported by the histogram chart?

The most common size of states is between 50,000 and 100,000 square miles

More than half of all states are larger than 100,000 square miles

More than half of all states are smaller than 50,000 square miles

Some states are larger than 200,000 square miles

A bank is developing an algorithm that will help them decide who to make loans to. As input the algorithm will consider information about the person applying for the loan and the amount of money requested, and as output the algorithm will decide whether the bank should give that loan. The bank intends to develop the algorithm using machine learning techniques. The algorithm will be trained using data from past loan decisions made by human bankers. Which of the following best describes whether this algorithm will include bias?

The algorithm will likely reflect the human biases in the data used to train it

The algorithm will not be biased because using machine learning eliminates human biases

While the algorithm may be biased, the eventual decision made by the algorithm will not be

Machine learning algorithms cannot be developed using biased data so if there is bias in the data it will be impossible to develop the algorithm

A restaurant is interested in learning about the food preferences of people living nearby to the restaurant and intends to use survey data to help decide which new items to add to the menu. Which of the following is LEAST likely to be part of the process used to analyze the data?

Cleaning a data visualization to remove unwanted patterns

Iteratively creating visualizations to ask and answer new questions

Cleaning data to remove inconsistencies

Filtering the data to look at the responses from only certain groups

A Web site uses several strategies to prevent unauthorized individuals from accessing user accounts. Which of the following is NOT an example of multifactor authentication?

When a user enters an incorrect password more than two times in a row, the user is locked out of the account for 24 hours.

Each employee for a company is issued a USB device that contains a unique token code. To log into a company computer, an employee must insert the USB device into the computer and provide a correct password.

After logging into an account from a new device, a user must enter a code that is sent via e-mail to the e-mail address on file with the account.

In order to log into an account, a user must provide both a password and a fingerprint that is captured using the user’s device.

The grid below contains a robot represented as a triangle, initially facing toward the top of the grid. The robot can move into a white or gray square but cannot move into a black region. The code segment below uses the procedure goalReached, which evaluates to true if the robot is in the gray square and evaluates to false otherwise. REPEAT UNTIL(goalReached()) { <MISSING CODE> } Which of the following replacements for <MISSING CODE> can be used to move the robot to the gray square?

IF(CAN_MOVE(left)) { ROTATE_LEFT() } MOVE_FORWARD() D

IF(CAN_MOVE(left)) { ROTATE_LEFT() MOVE_FORWARD() }

IF(CAN_MOVE(forward)) { MOVE_FORWARD() ROTATE_LEFT() }

IF(CAN_MOVE(forward)) { MOVE_FORWARD() } ELSE { ROTATE_LEFT() }

Which of the following best exemplifies the use of multifactor authentication to protect an online banking system?

After entering a password for an online bank account, a user must also enter a code that is sent to the user’s phone via text message.

When a user resets a password for an online bank account, the user is required to enter the new password twice.

When multiple people have a shared online bank account, they are each required to have their own unique username and password.

An online bank requires users to change their account passwords multiple times per year without using the same password twice.

Which of the following best explains how devices and information can be susceptible to unauthorized access if weak passwords are used?

Unauthorized individuals can use data mining and other techniques to guess a user’s password.

Unauthorized individuals can deny service to a computing system by overwhelming the system with login attempts.

Unauthorized individuals can exploit vulnerabilities in compression algorithms to determine a user’s password from their decompressed data.

Unauthorized individuals can exploit vulnerabilities in encryption algorithms to determine a user’s password from their encryption key.

A free online encyclopedia contains articles that can be written and edited by any user. Which of the following are advantages the online encyclopedia has over a traditional paper-based encyclopedia? Select two answers.

The ability to have a larger number of perspectives reflected in the encyclopedia content

The ability to quickly update encyclopedia content as new information becomes available

The ability to easily check that the encyclopedia is free of copyrighted content

The ability to ensure that encyclopedia content is the same every time it is accessed

A Web site uses several strategies to prevent unauthorized individuals from accessing user accounts. Which of the following is NOT an example of multifactor authentication?

When a user enters an incorrect password more than two times in a row, the user is locked out of the account for 24 hours.

Each employee for a company is issued a USB device that contains a unique token code. To log into a company computer, an employee must insert the USB device into the computer and provide a correct password.

After logging into an account from a new device, a user must enter a code that is sent via e-mail to the e-mail address on file with the account.

In order to log into an account, a user must provide both a password and a fingerprint that is captured using the user’s device.

Which of the following best exemplifies the use of multifactor authentication to protect an online banking system?

After entering a password for an online bank account, a user must also enter a code that is sent to the user’s phone via text message.

When a user resets a password for an online bank account, the user is required to enter the new password twice.

When multiple people have a shared online bank account, they are each required to have their own unique username and password.

An online bank requires users to change their account passwords multiple times per year without using the same password twice.

Which of the following best exemplifies the use of multifactor authentication?

A Web site requires a user to enter a password as well as a numeric code received via text message before the user can log in to an account.

A computing device enables users to input information using multiple interfaces, including a keyboard, a mouse, and a touch pad.

A user employs a public key encryption method that uses one key to encrypt information and a different key to decrypt information.

Multiple users share an account to a Web-based software program, and each user has an individual username and password.

Which of the following best explains how devices and information can be susceptible to unauthorized access if weak passwords are used?

Unauthorized individuals can use data mining and other techniques to guess a user’s password.

Unauthorized individuals can deny service to a computing system by overwhelming the system with login attempts.

Unauthorized individuals can exploit vulnerabilities in compression algorithms to determine a user’s password from their decompressed data.

Unauthorized individuals can exploit vulnerabilities in encryption algorithms to determine a user’s password from their encryption key.

RunRoutr is a fitness tracking application for smartphones that creates suggested running routes so that users can run with each other. Upon downloading the application, each user creates a username, a personal profile, and a contact list of friends who also use the application. The application uses the smartphone’s GPS unit to track a user’s location, running speed, and distance traveled. Users can use the application to review information and statistics about their previous runs. At the beginning of a run, users indicate the distance they want to run from their current location, and the application suggests a running route. Once a user accepts a suggested route, the application shares the suggested route with other compatible users in the area so that they can run together. Users are considered compatible if they are on each other’s contact lists or if they typically run at similar speeds. A basic RunRoutr account is free, but it displays advertisements that are targeted to individual users based on data collected by the application. For example, if a user’s running route begins or ends near a particular store, the application may display an advertisement for that store. Users have the ability to pay a monthly fee for a premium account, which removes advertisements from the application. Which of the following is most likely to be a data privacy concern for RunRoutr users?

Users of the application may have the ability to determine information about the locations of users that are not on their contact lists.

Users of the application are required to carry their smartphones with them while running in order to enable all of the application’s features.

Users of the application may not be able to accurately track their running history if they share their smartphone with another family member.

Users of the application may not be compatible with any other users in their area.

Which of the following activities poses the greatest personal cybersecurity risk?

Reserving a hotel room by e-mailing a credit card number to a hotel

Making a purchase at an online store that uses public key encryption to transmit credit card information

Paying a bill using a secure electronic payment system

Withdrawing money from a bank account using an automated teller machine (ATM)

A search engine has a trend-tracking feature that provides information on how popular a search term is. The data can be filtered by geographic region, date, and category. Categories include arts and entertainment, computers and electronics, games, news, people and society, shopping, sports, and travel. Which of the following questions is LEAST likely to be answerable using the trends feature?

What is the cost of a certain electronics product?

In what month does a particular sport receive the most searches?

In which political candidates are people interested?

Which region of the country has the greatest number of people searching for opera performances?

A city’s police department has installed cameras throughout city streets. The cameras capture and store license plate data from cars driven and parked throughout the city. The authorities use recorded license plate data to identify stolen cars and to enforce parking regulations. Which of the following best describes a privacy risk that could occur if this method of data collection is misused?

The vehicle location data could be used to monitor the movements of city residents.

The cameras may not be able to read license plates in poor weather conditions.

Local business owners could lose customers who are unwilling to park in the city.

Traffic personnel who work for the city could lose their jobs if their services are no longer needed.

A city maintains a database of all traffic tickets that were issued over the past ten years. The tickets are divided into the following two categories. Moving violations Nonmoving violations The data recorded for each ticket include only the following information. The month and year in which the ticket was issued The category of the ticket Which of the following questions CANNOT be answered using only the information in the database?

In the past ten years, were nonmoving violations more likely to occur on a weekend than on a weekday?

Have the total number of traffic tickets per year increased each year over the past ten years?

In the past ten years, were there any months when moving violations occurred more often than nonmoving violations?

In how many of the past ten years were there more than one million moving violations?

Many Web browsers allow users to open anonymous windows. During a browsing session in an anonymous window, the browser does not record a browsing history or a list of downloaded files. When the anonymous window is exited, cookies created during the session are deleted. Which of the following statements about browsing sessions in an anonymous window is true?

Items placed in a Web store’s shopping cart for future purchase during the anonymous browsing session will not be saved on the user’s computer.

The activities of a user browsing in an anonymous window will not be visible to people who monitor the user’s network, such as the system administrator.

A user will not be able to log in to e-mail or social media accounts during the anonymous browsing session.

A user browsing in an anonymous window will be protected from viruses launched from any Web sites visited or files downloaded.

StreamPal is an audio-streaming application for mobile devices that allows users to listen to streaming music and connect with other users who have similar taste in music. After downloading the application, each user creates a username, personal profile, and contact list of friends who also use the application. The application uses the device’s GPS unit to track a user’s location. Each time a user listens to a song, the user can give it a rating from 0 to 5 stars. The user can access the following features for each song that the user has rated. A list of users on the contact list who have given the song the same rating, with links to those users’ profiles A map showing all other users in the area who have given the song the same rating, with links to those users’ profiles A basic StreamPal account is free, but it displays advertisements that are based on data collected by the application. For example, if a user listens to a particular artist, the application may display an advertisement for concert tickets the next time the artist comes to the user’s city. Users have the ability to pay a monthly fee for a premium account, which removes advertisements from the application. Which of the following is most likely to be a data privacy concern for StreamPal users?

Users of the application may have the ability to determine information about the locations of users that are not on their contact list.

Users of the application are required to rate songs in order to enable all of the application’s features.

Users of the application may not be able to use the application if they are located in an area with a poor Internet connection.

Users of the application may not have similar music taste to any other users on their contact list.

A chain of retail stores uses software to manage telephone calls from customers. The system was recently upgraded. Customers interacted with the original system using their phone keypad. Customers interact with the upgraded system using their voice. The upgraded system (but not the original system) stores all information from the calling session in a database for future reference. This includes the customer’s telephone number and any information provided by the customer (name, address, order number, credit card number, etc.). The original system and the upgraded system are described in the following flowcharts. Each flowchart uses the following blocks. Which of the following is the most likely data privacy concern of the upgraded system?

Customers’ personal information could be compromised if an unauthorized individual gains access to the call session database.

Storing information in the call session database makes it easy for individuals to trick the system using malicious links.

The system design increases the chance that customers will unknowingly install malware on their devices that will share their data with unauthorized individuals.

The system design makes it easy for unauthorized individuals to acquire customers’ private encryption keys.

Which of the following has the greatest potential for compromising a user’s personal privacy?

A group of cookies stored by the user’s Web browser

The Internet Protocol (IP) address of the user’s computer

The user’s public key used for encryption

A chain of retail stores uses software to manage telephone calls from customers. The system was recently upgraded. Customers interacted with the original system using their phone keypad. Customers interact with the upgraded system using their voice. The upgraded system (but not the original system) stores all information from the calling session in a database for future reference. This includes the customer’s telephone number and any information provided by the customer (name, address, order number, credit card number, etc.). The original system and the upgraded system are described in the following flowcharts. Each flowchart uses the following blocks. Which of the following is most likely to be a benefit of storing the information from each calling session in a database?

The company can analyze the calling session data and thereby make better business decisions.

The company can ensure that customer information is protected from misuse.

The company can reduce the costs associated with data storage.

The company can reduce its need for data compression.

A chain of retail stores uses software to manage telephone calls from customers. The system was recently upgraded. Customers interacted with the original system using their phone keypad. Customers interact with the upgraded system using their voice. The upgraded system (but not the original system) stores all information from the calling session in a database for future reference. This includes the customer’s telephone number and any information provided by the customer (name, address, order number, credit card number, etc.). The original system and the upgraded system are described in the following flowcharts. Each flowchart uses the following blocks. Of the following potential benefits, which is LEAST likely to be provided by the upgraded system?

The company will be able to provide a human representative for any incoming call.

Human representatives will not be needed to respond to some inquiries.

Customers are likely to spend less time listening to information not relevant to their issue.

Customers will be unable to mistakenly select the incorrect department for their particular issue.

A chain of retail stores uses software to manage telephone calls from customers. The system was recently upgraded. Customers interacted with the original system using their phone keypad. Customers interact with the upgraded system using their voice. The upgraded system (but not the original system) stores all information from the calling session in a database for future reference. This includes the customer’s telephone number and any information provided by the customer (name, address, order number, credit card number, etc.). The original system and the upgraded system are described in the following flowcharts. Each flowchart uses the following blocks. Which of the following is the most likely data privacy concern of the upgraded system?

Customers’ personal information could be compromised if an unauthorized individual gains access to the call session database.

Storing information in the call session database makes it easy for individuals to trick the system using malicious links.

The system design increases the chance that customers will unknowingly install malware on their devices that will share their data with unauthorized individuals.

The system design makes it easy for unauthorized individuals to acquire customers’ private encryption keys.

RunRoutr is a fitness tracking application for smartphones that creates suggested running routes so that users can run with each other. Upon downloading the application, each user creates a username, a personal profile, and a contact list of friends who also use the application. The application uses the smartphone’s GPS unit to track a user’s location, running speed, and distance traveled. Users can use the application to review information and statistics about their previous runs. At the beginning of a run, users indicate the distance they want to run from their current location, and the application suggests a running route. Once a user accepts a suggested route, the application shares the suggested route with other compatible users in the area so that they can run together. Users are considered compatible if they are on each other’s contact lists or if they typically run at similar speeds. A basic RunRoutr account is free, but it displays advertisements that are targeted to individual users based on data collected by the application. For example, if a user’s running route begins or ends near a particular store, the application may display an advertisement for that store. Users have the ability to pay a monthly fee for a premium account, which removes advertisements from the application. Which of the following is most likely to be a benefit to users of the application?

Users of the application may see health benefits as a result of the application encouraging them to exercise with each other.

The application allows users to identify all other users in a particular area.

Users of the application may be able to easily identify all other users in a particular area as a result of the application's algorithm for determining whether users are compatible.

Users of the application who live in rural areas have the ability to use all the features of the application, even when they do not have Internet and geolocation connectivity.

RunRoutr is a fitness tracking application for smartphones that creates suggested running routes so that users can run with each other. Upon downloading the application, each user creates a username, a personal profile, and a contact list of friends who also use the application. The application uses the smartphone’s GPS unit to track a user’s location, running speed, and distance traveled. Users can use the application to review information and statistics about their previous runs. At the beginning of a run, users indicate the distance they want to run from their current location, and the application suggests a running route. Once a user accepts a suggested route, the application shares the suggested route with other compatible users in the area so that they can run together. Users are considered compatible if they are on each other’s contact lists or if they typically run at similar speeds. A basic RunRoutr account is free, but it displays advertisements that are targeted to individual users based on data collected by the application. For example, if a user’s running route begins or ends near a particular store, the application may display an advertisement for that store. Users have the ability to pay a monthly fee for a premium account, which removes advertisements from the application. Businesses have the ability to target advertisements to different groups of people who use RunRoutr. Which of the following groups is LEAST likely to receive targeted advertisements?

Individuals who sign up for a premium account

Individuals who appear on each other’s contact lists

Individuals who are interested in running and fitness

Individuals whose running routes begin or end near a particular business location

StreamPal is an audio-streaming application for mobile devices that allows users to listen to streaming music and connect with other users who have similar taste in music. After downloading the application, each user creates a username, personal profile, and contact list of friends who also use the application. The application uses the device’s GPS unit to track a user’s location. Each time a user listens to a song, the user can give it a rating from 0 to 5 stars. The user can access the following features for each song that the user has rated. A list of users on the contact list who have given the song the same rating, with links to those users’ profiles A map showing all other users in the area who have given the song the same rating, with links to those users’ profiles A basic StreamPal account is free, but it displays advertisements that are based on data collected by the application. For example, if a user listens to a particular artist, the application may display an advertisement for concert tickets the next time the artist comes to the user’s city. Users have the ability to pay a monthly fee for a premium account, which removes advertisements from the application. Which of the following is most likely to be a data privacy concern for StreamPal users?

Users of the application may have the ability to determine information about the locations of users that are not on their contact list.

Users of the application are required to rate songs in order to enable all of the application’s features.

Users of the application may not be able to use the application if they are located in an area with a poor Internet connection.

Users of the application may not have similar music taste to any other users on their contact list.

A software development company has created an application called FileCleanUp. When the application is run on a user device, it searches for all files (including pictures, videos, and documents) that have not been accessed in the past month, stores them on the company’s Web server, and deletes them from the user device. The application runs once each day. Users have the ability to manually retrieve files from the server if they are needed. Which of the following is most likely to be a harmful effect of using FileCleanUp?

It prevents users from accessing infrequently used files when there is no Internet connectivity.

It prevents users from accessing frequently used files when there is no Internet connectivity.

It prevents users from accessing frequently used files when there is reliable Internet connectivity.

It prevents users from accessing infrequently used files when there is reliable Internet connectivity.

Which of the following activities poses the greatest personal cybersecurity risk?

Reserving a hotel room by e-mailing a credit card number to a hotel

Making a purchase at an online store that uses public key encryption to transmit credit card information

Paying a bill using a secure electronic payment system

Withdrawing money from a bank account using an automated teller machine (ATM)

A city’s police department has installed cameras throughout city streets. The cameras capture and store license plate data from cars driven and parked throughout the city. The authorities use recorded license plate data to identify stolen cars and to enforce parking regulations. Which of the following best describes a privacy risk that could occur if this method of data collection is misused?

The vehicle location data could be used to monitor the movements of city residents.

The cameras may not be able to read license plates in poor weather conditions.

Local business owners could lose customers who are unwilling to park in the city.

Traffic personnel who work for the city could lose their jobs if their services are no longer needed.

A city maintains a database of all traffic tickets that were issued over the past ten years. The tickets are divided into the following two categories. Moving violations Nonmoving violations The data recorded for each ticket include only the following information. The month and year in which the ticket was issued The category of the ticket Which of the following questions CANNOT be answered using only the information in the database?

In the past ten years, were nonmoving violations more likely to occur on a weekend than on a weekday?

Have the total number of traffic tickets per year increased each year over the past ten years?

In the past ten years, were there any months when moving violations occurred more often than nonmoving violations?

In how many of the past ten years were there more than one million moving violations?

Individuals sometimes attempt to remove personal information from the Internet. Which of the following is the LEAST likely reason the personal information is hard to remove?

All personal information is stored online using authentication measures, making the information hard to access.

Internet users with a copy of the information might redistribute the personal information without first seeking permission.

There are potentially an extremely large number of devices on the Internet that may contain the information.

Automated technologies collect information about Internet users without their knowledge.

RunRoutr is a fitness tracking application for smartphones that creates suggested running routes so that users can run with each other. Upon downloading the application, each user creates a username, a personal profile, and a contact list of friends who also use the application. The application uses the smartphone’s GPS unit to track a user’s location, running speed, and distance traveled. Users can use the application to review information and statistics about their previous runs. At the beginning of a run, users indicate the distance they want to run from their current location, and the application suggests a running route. Once a user accepts a suggested route, the application shares the suggested route with other compatible users in the area so that they can run together. Users are considered compatible if they are on each other’s contact lists or if they typically run at similar speeds. A basic RunRoutr account is free, but it displays advertisements that are targeted to individual users based on data collected by the application. For example, if a user’s running route begins or ends near a particular store, the application may display an advertisement for that store. Users have the ability to pay a monthly fee for a premium account, which removes advertisements from the application. Which of the following is most likely to be a benefit to users of the application?

Users of the application may see health benefits as a result of the application encouraging them to exercise with each other.

The application allows users to identify all other users in a particular area.

Users of the application may be able to easily identify all other users in a particular area as a result of the application's algorithm for determining whether users are compatible.

Users of the application who live in rural areas have the ability to use all the features of the application, even when they do not have Internet and geolocation connectivity.

AP comp sci test 10

Authored by Sophie Schneider

Computers

9th - 12th Grade

Used 3+ times

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69 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The developers of a music-streaming application are updating the algorithm they use to recommend music to listeners. Which of the following strategies is LEAST likely to introduce bias into the application?

Making recommendations based on listening data gathered from a random sample of users of the application

Making recommendations based on the most frequently played songs on a local radio station

Making recommendations based on the music tastes of the developers of the application

Making recommendations based on a survey that is sent out to the 1,000 most active users of the application

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

MeeReader is an e-reading application that allows users to download and read books and articles on a device. Each user creates a profile with the following personal preferences.
Screen brightness and contrast
Choice of typeface and font size
Amount of spacing between lines of text
Activation of a text-to-speech feature that reads the text out loud
When the user launches the application, the application scans the user’s face and uses facial recognition software to determine the user’s identity. Once the user has been identified, the user’s personal preferences are applied to whatever book or article the user chooses to read.
The application stores all user information in a database, including personal preferences and a record of previously read books and articles.
From the perspective of the application’s developers, which of the following is most likely to be a benefit of storing all user data in a database?

The developers can analyze the data to make improvements to the application based on user behavior.

The developers can analyze the data to ensure that no patterns emerge in the data.

The developers can reduce the amount of data storage required to support the application.

The developers can reduce the need for data encryption.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A mobile game tracks players’ locations using GPS. The game offers special in-game items to players when they visit real-world points of interest. Which of the following best explains how bias could occur in the game?

Points of interest may be more densely located in cities, favoring players in urban areas over players in rural areas.

Some players may engage in trespassing, favoring players in urban areas over players in rural areas.

Special items may not be useful to all players, favoring players in urban areas over players in rural areas.

Weather conditions may be unpredictable, favoring players in urban areas over players in rural areas.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A software company is designing a mobile game system that should be able to recognize the faces of people who are playing the game and automatically load their profiles. Which of the following actions is most likely to reduce the possibility of bias in the system?

Testing the system with members of the software company’s staff

Testing the system with people of different ages, genders, and ethnicities

Testing the system to make sure that the rules of the game are clearly explained

Testing the system to make sure that players cannot create multiple profiles

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A photographer stores digital photographs on her computer. In this case the photographs are considered the data. Each photograph also includes multiple pieces of metadata including:
Date: The date the photograph was taken
Time: The time the photograph was taken
Location: The location where the photograph was taken
Device: Which camera the photo was taken with
Which of the following could the photographer NOT do based on this metadata?

Filter photos to those taken in the last week

Filter photos to those taken in a particular country

Filter photos to those taken of buildings

Filter photos to those taken with her favorite camera

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

This question refers to the same collection of photos and their metadata described in the previous question.
Due to a computer error, the Time metadata for all of the photographs is accidentally set to the same time of day. The other pieces of metadata and the data itself are not affected by the error. Which of the following is MOST likely to be the result of this problem?

The photographer will not be able to view any of the images

The photographer will not be able to sort images by the date they were taken

The photographer will not be able to filter to photographs taken in the morning

The photographer will not be able to find images taken on the same date

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The next three questions all refer to the same dataset described below.
A school is conducting a survey of students to learn more about how they get to school. Students were asked how they travel to school, how long it takes them to get to school, what time they arrive at school, and for a description of their most significant challenges when traveling to school. Several rows of the data collected are shown in the table below.
Which column is data that will likely be most difficult to visualize or analyze?

How Travel

How long

time arrive

biggest challenges

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The developers of a music-streaming application are updating the algorithm they use to recommend music to listeners. Which of the following strategies is LEAST likely to introduce bias into the application?

A mobile game tracks players’ locations using GPS. The game offers special in-game items to players when they visit real-world points of interest. Which of the following best explains how bias could occur in the game?

A software company is designing a mobile game system that should be able to recognize the faces of people who are playing the game and automatically load their profiles. Which of the following actions is most likely to reduce the possibility of bias in the system?

This question refers to the same table of data described above.Which column of data might be able to be visualized or analyzed but first would need to be cleaned?

This question refers to the same table of data described above.Which information could likely NOT be found with the data collected?

The chart above shows the frequency of searches for the words "pencil" and "pen" over a 5 year period. Which of the following is the best interpretation of the chart above?

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This question refers to the same table of data described above.
Which column of data might be able to be visualized or analyzed but first would need to be cleaned?

This question refers to the same table of data described above.
Which information could likely NOT be found with the data collected?