U4 Big Data Quiz

Computers are often used to search though large sets of data and find patterns. Which of the following tasks is an example of searching for patterns in a data set?

 

• Your high school looking to see how many students are on an athletic team.

• A trucking company looking to see how many trucking routes take longer than 8 hours to travel.

• Amazon looking at a customers’ search history to suggest products they might be interested in.

• A teacher looking at your test scores so they can drop the lowest from the gradebook.

Elephants Without Boarders is a non-profit organization whose main mission in life is to support Elephants through research and information. They recently got data from trackers placed on several of their elephants, along with information attached to the trackers:

·      The location of the elephant at a specific time

·      The gender of the elephant

·      The age of the elephant

 

Which if the following questions about this group of elephants can be answered using only the data collected above?

• Do female elephants lead the pack of them?

• Do male elephants weigh more than female elephants of the same age?

• What is the most common cause of death for elephants?

• Do younger elephants sleep at a specific time of day?

Which of the following is an application that can most likely use crowdsourcing in their design?

• An application that functions similar to a graphing calculator

• An application that lets uses order Broadway tickets

• An application that lets users mark on a map the location of police “speed traps”

• An application that lets users edit their photos before they upload to social media

   

Spotify is updating their algorithm that recommends songs for their users. Which of the following algorithm modifications will introduce the MOST bias?

• Recommend songs from the artist that the user played the most.

• Recommend songs from the listening habits of a random sample of 100 users.

• Recommend songs from the top 100 songs on the Billboard Hot 100

• Recommend songs from Spotify’s programmer’s music tastes

Xbox is developing a gaming feature that logs a person into their account based on a facial recognition software. Which of the following is the most likely action you can take to eliminate bias in the software?

• Testing the software with the programmer’s faces who wrote it

• Testing the software’s effectiveness by making sure a single player cannot have more than one account

• Testing the software with people of different genders and ethnicities

• Testing the software’s effectiveness by giving a survey to see if the players thought it did a good job identifying them

On the tollway, people’s license plate information is collected as they pass through the toll. Which of the following is a potential privacy risk that could occur if this information is breeched?

• The data could be used to monitor the movements of people throughout the state.

• The data could be used to give tickets to people who do not pay the toll amount.

• The data could be used to count how many cars travel through the state on a particular date.

• The data could be used to determine how many times a license plate passed through a particular toll booth.

A large scholarship data set contains information about all the students who have applied to a scholarship in their program. The data set contains the following information:

 

·      The student’s gender

·      The state the student lives in

·      The student’s GPA

·      The student’s intended major

 

Which of the following questions CAN NOT be answers by analyzing the information in the data set?

• Do students who intend to study computer science have a higher GPA on average than students who do not intend to study computer science?

• Which state has the highest number of female intended business majors?

• What percentage of US males have a GPA of 3.5 or higher?

• Which state has the highest number of female students who intend to student electrical engineering?

Which of the following best illustrates how people participate in problem-solving processes at scale?

• A group of individuals collaboratively brainstorming ideas to solve a local community issue.

• A person seeking advice from a single expert to address a personal problem.

• An individual analyzing data and making decisions independently to solve a complex business challenge.

• A company using artificial intelligence algorithms to automatically solve problems without human involvement.

TikTok has perfected it's FYP by analyzing the data that you use on the app. The following is a small list of data they have collected: 

·      Time and day the user is on the app

·      The hashtags on the videos the user "likes"

·      How long a user watches a certain hashtag

·      What videos the user creates containing hashtags

 

Which of the following questions CANNOT be answered by looking at the information above?

• How long did a user spend watching #catvideos on Thursday?

• How many videos did the user "like" with #schooliscool?

• Which profile does the user interact with the most?

• Which hashtags does the user like watching at 7am on Wednesdays?

What is the benefit of analyzing big data?

• You can make more money by selling the data to large corporations for target advertising.

• You can identify problems with TCP/IP before they crash your computer.

• To observe patterns and connections that smaller sets of data might not see.

• To confirm the findings from smaller sets of data.