18: F.4. Visualization or Visual Discovery

Question 1

When do we use the Histogram visualization?

Answer 1

When we want to show the frequency distribution of something, like how many 1s appear and how many 2s appear and so on

Question 2

Which of the following chart types is best used to detect a potential correlation between two numeric variables?
A. Box plot
B. Line chart
C. Histogram
D. Scatterplot

Answer 2

D. Scatterplot

Question 3

A dashboard designed to compare sales performance of 6 departments should avoid using which chart type due to clutter?
A. Bar chart
B. Pie chart
C. Line chart
D. Dot plot

Answer 3

B. Pie chart

Question 4

What chart should be used to show the distribution, median, and outliers in a dataset?
A. Histogram
B. Box plot
C. Pie chart
D. Bubble chart

Answer 4

B. Box plot

Question 5

Which of the following is a major limitation of a histogram?
A. Cannot display trends over time
B. Cannot compare proportions
C. Cannot display frequency
D. Cannot handle numeric data

Answer 5

A. Cannot display trends over time

Question 6

Which chart should not be used if your x-axis consists of non-numeric, qualitative values?
A. Pie chart
B. Bar chart
C. Line chart
D. Dot plot

Answer 6

C. Line chart

Question 7

Which chart is best used to visualize the trend of sales over a 12-month period?
A. Bar chart
B. Line chart
C. Box plot
D. Histogram

Answer 7

B. Line chart