False - Answers The visualization principles that we discuss in the classes are rigid and cannot
be violated under any circumstance.(T/F)
a.With the same amount of ink, we should pack in more information
d.With the same amount of information, we should use less ink - Answers Which of the
following statements about the information-ink ratio are correct?
a.With the same amount of ink, we should pack in more information
b.With the same amount of ink, we should pack in less information
c.With the same amount of information, we should use more ink
d.With the same amount of information, we should use less ink
all three - Answers What are the properties of colors?
Hue
Saturation
Brightness
False - Answers People of different genders or from different cultures and disciplines have the
same perception of colors, so we should use the same color scheme in data visualizations to
keep consistency. (T/F)
False - Answers To make our data visualizations visually appealing, we should use as many
colors as possible.(T/F)
True - Answers Building a fancy visualization using some bad data is worst than having no
visualization at all.(T/F)
Texts - Answers Which of the following is non-structured data?
Dummies
Categories
Numbers
Texts
False - Answers All the variables that use numbers to store the information are numerical
variables. (T/F)
, Panel data - Answers The dataset World Indicators.csv Download World Indicators.csvis what
kind of data?
Cross-sectional data
Time series data
Panel data
None of the above
Combination of Country and Year - Answers Which column can uniquely identify each record in
the dataset World Indicators.csv Download World Indicators.csv?
Country
Year
Combination of Country and Year
None of the above
Visualizations take many forms, from tables to charts to images. - Answers Which of the
following statements is true about data visualizations?
Visualizing data has only been possible since computers have become widespread.
Visualizations take many forms, from tables to charts to images.
There is always one exact visualization that should be used to show a particular aspect of a
dataset.
The only way to extract information from data is by using visualization.
Patterns that exist in the data can be found more easily by using a visualization - Answers
Which of the following statements is true about using visualizations to display a dataset?
Visualizations are visually appealing but don't help the viewer understand relationships that
exist in the data
Visualizations like graphs, charts, or visualizations with pictures are useful for conveying
information, while tables just filled with text are not useful.
Patterns that exist in the data can be found more easily by using a visualization
None of the above
sequential - Answers What kind of color scheme is this?