MGT-6655: WEEK 1 QUESTIONS AND ANSWERS

MGT-6655: WEEK 1 QUESTIONS AND
ANSWERS
False - ANSWER-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 - ANSWER-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

False - ANSWER-All the variables that use numbers to store the information are
numerical variables. (T/F)

Panel data - ANSWER-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 - ANSWER-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

all three - ANSWER-What are the properties of colors?
Hue
Saturation
Brightness

False - ANSWER-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 - ANSWER-To make our data visualizations visually appealing, we should use
as many colors as possible.(T/F)

True - ANSWER-Building a fancy visualization using some bad data is worst than
having no visualization at all.(T/F)

Texts - ANSWER-Which of the following is non-structured data?
Dummies

, Categories
Numbers
Texts

Visualizations take many forms, from tables to charts to images. - ANSWER-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 -
ANSWER-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

- ANSWER-Suppose you want to plot four lines indicating the changes in sales
across time for four different categories of products. Which of the following is the
most appropriate color scheme to use?
Note: There is no need to worry about CVD (Color Vision Deficiency) for this
question
Blue/red/purple/yellow
Four shades of blue
Two shades of blue and two shades of yellow
None of the above

Bar chart - ANSWER-Suppose you want to compare the sales in your store from five
different categories of products. Which of the following chart types is the most
appropriate?
Pie chart
Bar chart
Bubble chart
Chord diagram

Scatterplot - ANSWER-Suppose you want to check the relationship between product
sales and product discount. Which of the following chart types is the most
appropriate?
Bar chart
Line chart
Pie chart
Scatterplot

sequential - ANSWER-What kind of color scheme is this?
sequential