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WorksheetsUnit 5: Data
Total questions: 65
Worksheet time: 49mins
DATA or Metadata?
Example: an image file
the color information for each pixel
data
metadata
DATA or Metadata?
Example: an image file
the width of the picture in pixels
data
metadata
DATA or Metadata?
Example: an image file
the date and time that the picture was taken
data
metadata
DATA or Metadata?
Example: an image file
the geo Tag that stores where the picture was taken
data
metadata
DATA or Metadata?
Example: a log of phone calls on your phone
check all that would be probable metadata in the log.
phone number that was dialed
when the phone call was made
duration of the call
what was said during the call
whether the call was an incoming or outgoing call
DATA or Metadata?
Example: a list of popular websites
check all that would be probable metadata in the list.
url of the website
when the website first appeared
how many total visitors the website has had
how many visits the website has had in the last week
whether MR. Schlamann likes the website or not
DATA or Metadata?
Example: a financial record of donations to a charity.
check all that would be probable metadata in the record.
dollar amount of the contribution
method of contribution (check, cash, credit card)
name of person making donation
date of donation
how many donuts the charity orders each year.
The main information stored is referred to:
data
metadata
Extra information about the main information stored is referred to:
data
metadata
Which of the following is LEAST likely to be a problem when collecting data?
cleaning data
bias
incomplete data
having too much data
Nico creates a program that collects the following data from users: Name, age, favorite color, height, weight. Which of the following could not be concluded based on this data alone?
The average height of a person
Which favorite color is most popular
If older people and weight have a correlation
If men are generally heavier than women
A digital photo contains data about the red, green, and blue levels of each pixel. The file also contains the location and date each photo was taken. For which of the following would analyzing the metadata be better than analyzing the data?
Determining if the photo is of people of nature
Determining if the photo has a sky in the background
Determining the number of people in the photo
Determining the likelihood of this photo being taken at a public event
Volume is one of the characteristics of big data. What does Volume refers to?
The amount of water in a glass bottle
The amount of money
The amount of love given
The amount of Youtube videos that existed
The amount of data
Which of the following would NOT use big data analysis?
Healthcare companies
Public agencies
Retail companies
High school students doing homework
Volume is one of the characteristics of big data. What does Volume refers to?
The amount of water in a glass bottle
The amount of money
The amount of love given
The amount of Youtube videos that existed
The amount of data
How does the app above counts as a big data?
It stores their user healthcare data
It helps people find a date with their data
It stores videos that is uploaded by their user
It helps stores their funny cat videos
Which of the following is FALSE regarding exponential growth?
Based on this concept, the average hard drive will be 8-10 terabytes in just over six years
Exponential growth (combined with Moore's Law) makes it easier to plan for our future computing power and storage needs
Refers to the fact that computing power is doubling every 1.5 to 2 years
The amount of data being pushed around, saved, and/or processed is growing exponentially
A broad term for datasets so large or complex that traditional data processing applications are inadequate.
Moore's law
Big data
Exponential Growth
Data analysis
What is data that describes data?
metadata
maxdata
context
content
According to Moore's Law, the world will produce as much data in the next _______ years as currently existed in all of humanity prior to that:
Two
Three
Five
Six
Above is an image from Google Trends that plots Cats and Dogs.
Which of the following is NOT a reasonable conclusion you can come up with looking at this chart?
The sharp spike in dogs trends could be due to an increase in dog attack stories during that year
This chart proves that people love dogs more than they do cats
People search for dogs more than they do cats
It's possible there were more funny dog videos than cat videos during this period of time
“Digital Divide” leads to some groups being over- or under-represented. Access and use of the Internet can differ by all of the following EXCEPT:
Relationship Status
Race
Education
Disability
The observation that computing power tends to double every two years
Marvin's Law
Michael's Law
Murphy's Law
Moore's Law
What is the true definition of big data
huge amount of space
large, diverse sets of information
unlimited speed data internet connection
small, undiverse sets of information
What is NOT a characteristic of big data?
Volume
Variety
Vision
Velocity
Which of the following is an example of big data?
UMOBILE
AN IPHONE
BILLION SI
NETFLIX
TESCO
Variety is a characteristic of big data. Which type of formats does Variety comes from?
Structured
Unstructured
Semi-structured
All of the above
Which of the following would NOT use big data analysis?
Healthcare companies
Public agencies
Retail companies
High school students doing homework
Volume is one of the characteristics of big data. What does Volume refers to?
The amount of water in a glass bottle
The amount of money
The amount of love given
The amount of Youtube videos that existed
The amount of data
What does Moore’s law state?
The number of available IP addresses will eventually run out
Processing power doubles every 2 years
There is a set amount of available data space
The processing power for computer will triple every year
Which column needs to get "cleaned"?
School ID
Transportation Method
Duration
Arrival Time
Which of the following columns would be hardest to visualize on a chart/diagram
School ID
Transportation Method
Arrival Time
Obstacle
Which information could not be found using the entire dataset?
The average time it takes students to get to school
The most common travel method
Whether walkers arrive to school earlier than average
Whether seniors arrive to school later than average
The following google trends graph show the search trends with "snake" compared to "fish" over the past 5 years. Which of the following choices are definitely TRUE?
Fish taste better than snake
More people have pet fish than snakes
The number of searches for fish is usually greater than the number of searches for snakes
The number of snake sales took a big hit around July 2019
William is collecting data in his town about what is their favorite Pokemon. WHich would create the least bias
Creating a questionnaire through facebook
Asking all his friends at school
Asking every other person that enters the town deli
Asking all of his stuffed animals
Google Trends is a website by Google that analyzes the popularity of top search queries in Google Search across various regions and languages. The large number of searches make Google Trends one of the world's largest real-time data sets. The data can be filtered so no one is personally identified, categorized, and grouped together.
Which of the following is Trends data most likely to answer?
Whether the public is concerned about incoming weather
What date is the cheapest date to book a hotel room
The cost of a gas-powered chainsaw
The length of the Iditarod
Why do most data-analyzing programs include options for creating graphs?
Graphs are less taxing on the computer's graphics card than a plain spreadsheet.
Graphs make it easier to interpret data values, trends, and proportions, so they are an incredibly useful feature.
It is easier to code a graph-based data analyzer than a spreadsheet-based one.
It is harder to make spreadsheets properly display because the resulting file is not an image.
Which of the following questions could be answered from this chart?
What is the fluffiest breed of dog?
How long will my dog live?
What is the longest maximum lifespan of a cat?
What is the shortest maximum lifespan of a dog?
Which of the following questions could be answered from this chart?
Which cereal has the least amount of calories per serving?
What is the largest amount of calories per serving in any listed cereal?
How many calories a serving of Fruit Loops has?
How many cereal choices have less than 100 calories per serving?
By looking at this chart, the following conclusions can be made EXCEPT:
The range of incomes on the chart is between $40,000 and $80,000
California had the highest median household income of all the states
Most states fell between $50,000 and $55,000 for their range of median household incomes
One state has over 40% of it's adults with a bachelors degree
Which of the following charts would make the most sense to use when you have one column and many values?
Bar Chart
Crosstab
Histogram
Scatter Plot
Which of the following charts would be the most useful in seeing patterns between two values (consisting of numerical data)?
Bar Chart
Crosstab
Histogram
Scatter Plot
This chart would be great in finding the most (or least) common combinations of values in two columns:
Bar Chart
Crosstab
Histogram
Scatter Plot
Which of the following charts would make the most sense to use when you have one column and a few values?
Bar Chart
Crosstab
Histogram
Scatter Plot
Examples of Artificial Intelligence (AI) include which of the following (check all that apply)?
Email filters in your Gmail account
Giving a digital assistant (like Alexa) directions on dimming the lights in your living room
Video recommendations on what to watch on TikTok
Using voice recognition to say "Call ______" while you are in the car driving
Machine learning can take in all of the following types of learning EXCEPT:
Images
Video
Text
All three of these
When machine learning takes place, bias can take place depending on all of the following EXCEPT:
how the data is collected
who is collecting the data
where the data is being entered at
how the data is entered
Bias does not take place in machine learning if the person training the computer is not aware of it.
True
False
When you are looking at training data (with regards to machine learning), one of the things to ask yourself is whether the data represents all possible scenarios and users without bias.
True
False
Who is primarily responsible for giving a machine unbiased information?
The machine itself
The company that built the machine
You (the person training the machine)
All of these items
With regards to machine learning, collecting more data means less bias.
True
False
DATA or Metadata?
Example: an image file
the color information for each pixel
data
metadata
DATA or Metadata?
Example: an image file
the width of the picture in pixels
data
metadata
DATA or Metadata?
Example: an image file
the date and time that the picture was taken
data
metadata
DATA or Metadata?
Example: an image file
the geo Tag that stores where the picture was taken
data
metadata
DATA or Metadata?
Example: a log of phone calls on your phone
check all that would be probable metadata in the log.
phone number that was dialed
when the phone call was made
duration of the call
what was said during the call
whether the call was an incoming or outgoing call
DATA or Metadata?
Example: a list of popular websites
check all that would be probable metadata in the list.
url of the website
when the website first appeared
how many total visitors the website has had
how many visits the website has had in the last week
whether MR. Schlamann likes the website or not
DATA or Metadata?
Example: a financial record of donations to a charity.
check all that would be probable metadata in the record.
dollar amount of the contribution
method of contribution (check, cash, credit card)
name of person making donation
date of donation
how many donuts the charity orders each year.
The following google trends graph show the search trends with "snake" compared to "fish" over the past 5 years. Which of the following choices are definitely TRUE?
Fish taste better than snake
More people have pet fish than snakes
The number of searches for fish is usually greater than the number of searches for snakes
The number of snake sales took a big hit around July 2019
William is collecting data in his town about what is their favorite Pokemon. WHich would create the least bias
Creating a questionnaire through facebook
Asking all his friends at school
Asking every other person that enters the town deli
Asking all of his stuffed animals
