Data Science Exam 1 Graded A+ 2024
A characteristic of open data is that
a. It can be redistributed to others
b. It be available for free
c. All of the above
d. It can come from any source - ANSWER-c. all of the above
According to Acohido, Microsoft uses all of the following data to combat cybercrime
EXCEPT:
a. Early warning reports
b. Malicious files
c. Threat reports
d.FBI watchlists - ANSWER-d. FBI watchlists
According to Acohido, new data-visualization technologies do not yet have the capability
to detect suspicious intrusion or theft behavior.
a. True
b. False - ANSWER-b. fasle
According to Crawford, a key problem of Boston's StreetBump app is that
a. The app can't access the phone's GPS to report potholes
b. Low income residents have less access to smartphones
c. The app collects inaccurate data
d. Potholes are a low priority for citizens so they go unreported - ANSWER-b. low
income residents have less access to smartphones
According to Davenport, the "essence" of analytical communication includes all
EXCEPT:
a. The model
b. The data
c. The relationships among the variables
d. The computer software - ANSWER-d. the computer software
According to Davenport, what is an example of something that should NOT be included
while storytelling with data:
a. Sequence of activities used in the analysis
b. Actions to take and the consequences of those actions
c. Money earned
d. Return on investment - ANSWER-a. sequence of activities used in the analysis
According to Davenport, what made Florence Nightingale's work unique?
a. How she reflected the experiences she gained from treating wounded soldiers
b. Her statistical background
c. How she applied her nursing skills into her work
, d. The way she effectively communicated her results using a pie chart - ANSWER-d.
The way she effectively communicated her results using a pie chart
According to Di Justo's article, "telephony metadata" includes
a. the call's duration
b. The caller's mood
c. The caller's gender
d. The call's grammar - ANSWER-a. the call's duration
According to Hayes, a benefit of large samples is that
a. It eliminates the need for hypotheses
b. It is free of bias
c. It minimizes sampling error
d. It minimizes measurement error - ANSWER-c. it minimizes sampling error
According to Hayes, what percentage of business leaders do not trust the information
they use to make decisions?
a. 25%
b. 33%
c. 99%
d. 66% - ANSWER-b. 33%
According to Hoven, which of the following is NOT one of Few's 8 core principles of data
visualizations?
a. Explain
b. Attend
c. Be Skeptical
d. Simplify - ANSWER-a. explain
According to Krum, good infographics should:
a. Use big fonts to make your point
b. Combine several stories into a single infographic
c. Whenever possible, include legends for all charts
d. Make sure the relative size of chart elements are proportional to the data values -
ANSWER-d. Make sure the relative size of chart elements are proportional to the data
values
According to Krum, the fact that people remember messages with images more often
than ones with just text is called:
a. The Graphic Media Effect
b. The Picture Superiority Effect
c. The Image Dominance Effect
d. The Pattern Recognition Effect - ANSWER-b. The Picture Superiority Effect
According to Krum, the relationship between infographics and data visualizations is best
described as:
A characteristic of open data is that
a. It can be redistributed to others
b. It be available for free
c. All of the above
d. It can come from any source - ANSWER-c. all of the above
According to Acohido, Microsoft uses all of the following data to combat cybercrime
EXCEPT:
a. Early warning reports
b. Malicious files
c. Threat reports
d.FBI watchlists - ANSWER-d. FBI watchlists
According to Acohido, new data-visualization technologies do not yet have the capability
to detect suspicious intrusion or theft behavior.
a. True
b. False - ANSWER-b. fasle
According to Crawford, a key problem of Boston's StreetBump app is that
a. The app can't access the phone's GPS to report potholes
b. Low income residents have less access to smartphones
c. The app collects inaccurate data
d. Potholes are a low priority for citizens so they go unreported - ANSWER-b. low
income residents have less access to smartphones
According to Davenport, the "essence" of analytical communication includes all
EXCEPT:
a. The model
b. The data
c. The relationships among the variables
d. The computer software - ANSWER-d. the computer software
According to Davenport, what is an example of something that should NOT be included
while storytelling with data:
a. Sequence of activities used in the analysis
b. Actions to take and the consequences of those actions
c. Money earned
d. Return on investment - ANSWER-a. sequence of activities used in the analysis
According to Davenport, what made Florence Nightingale's work unique?
a. How she reflected the experiences she gained from treating wounded soldiers
b. Her statistical background
c. How she applied her nursing skills into her work
, d. The way she effectively communicated her results using a pie chart - ANSWER-d.
The way she effectively communicated her results using a pie chart
According to Di Justo's article, "telephony metadata" includes
a. the call's duration
b. The caller's mood
c. The caller's gender
d. The call's grammar - ANSWER-a. the call's duration
According to Hayes, a benefit of large samples is that
a. It eliminates the need for hypotheses
b. It is free of bias
c. It minimizes sampling error
d. It minimizes measurement error - ANSWER-c. it minimizes sampling error
According to Hayes, what percentage of business leaders do not trust the information
they use to make decisions?
a. 25%
b. 33%
c. 99%
d. 66% - ANSWER-b. 33%
According to Hoven, which of the following is NOT one of Few's 8 core principles of data
visualizations?
a. Explain
b. Attend
c. Be Skeptical
d. Simplify - ANSWER-a. explain
According to Krum, good infographics should:
a. Use big fonts to make your point
b. Combine several stories into a single infographic
c. Whenever possible, include legends for all charts
d. Make sure the relative size of chart elements are proportional to the data values -
ANSWER-d. Make sure the relative size of chart elements are proportional to the data
values
According to Krum, the fact that people remember messages with images more often
than ones with just text is called:
a. The Graphic Media Effect
b. The Picture Superiority Effect
c. The Image Dominance Effect
d. The Pattern Recognition Effect - ANSWER-b. The Picture Superiority Effect
According to Krum, the relationship between infographics and data visualizations is best
described as:
