1. Active Learning Lecture Slides
For use with Classroom Response Systems
Chapter 4:
Displaying and Describing Categorical Data
Business Statistics First Edition
by Sharpe, De Veaux, Velleman
Copyright © 2010 Pearson Education, Inc.

2. Copyright © 2010 Pearson Education, Inc.
Which of the following always displays percentages rather than counts?
Frequency table
Bar chart
Relative frequency table
Contingency table
Copyright © 2010 Pearson Education, Inc.

3. Copyright © 2010 Pearson Education, Inc.
Which of the following always displays percentages rather than counts?
Frequency table
Bar chart
Relative frequency table
Contingency table
Copyright © 2010 Pearson Education, Inc.

4. Copyright © 2010 Pearson Education, Inc.
When preparing a chart we must follow the area principle because
percentages do not add up to 100%.
a flashy display helps to make a point.
we want to draw attention to large areas.
we want to avoid misrepresentation and distortion.
Copyright © 2010 Pearson Education, Inc.

5. Copyright © 2010 Pearson Education, Inc.
When preparing a chart we must follow the area principle because
percentages do not add up to 100%.
a flashy display helps to make a point.
we want to draw attention to large areas.
we want to avoid misrepresentation and distortion.
Copyright © 2010 Pearson Education, Inc.

6. Copyright © 2010 Pearson Education, Inc.
Which of the following gives the best visual of how a whole group is partitioned into several categories?
Bar chart
Frequency distribution
Pie chart
Contingency table
Copyright © 2010 Pearson Education, Inc.

7. Copyright © 2010 Pearson Education, Inc.
Which of the following gives the best visual of how a whole group is partitioned into several categories?
Bar chart
Frequency distribution
Pie chart
Contingency table
Copyright © 2010 Pearson Education, Inc.

8. Copyright © 2010 Pearson Education, Inc.
The following is a breakdown of TV viewers during the Super Bowl in 2007.
What percentage of viewers was male:
19.8%
47.5%
48.8%
27.7%
Copyright © 2010 Pearson Education, Inc.

9. Copyright © 2010 Pearson Education, Inc.
The following is a breakdown of TV viewers during the Super Bowl in 2007.
What percentage of viewers was male:
19.8%
47.5%
48.8%
27.7%
Copyright © 2010 Pearson Education, Inc.
Slide 4- 9 9

10. Copyright © 2010 Pearson Education, Inc.
The following is a breakdown of TV viewers during the Super Bowl in 2007.
What percentage of viewers watched the commercials only?
8.0%
23.5%
58.2%
27.7%
Copyright © 2010 Pearson Education, Inc.

11. Copyright © 2010 Pearson Education, Inc.
The following is a breakdown of TV viewers during the Super Bowl in 2007.
What percentage of viewers watched the commercials only?
8.0%
23.5%
58.2%
27.7%
Copyright © 2010 Pearson Education, Inc.
Slide 4- 11 11

12. Copyright © 2010 Pearson Education, Inc.
The following is a breakdown of TV viewers during the Super Bowl in 2007.
Of the viewers who did not watch the Super Bowl, what percentage was male?
45.2%
48.8%
26.8%
27.7%
Copyright © 2010 Pearson Education, Inc.

13. Copyright © 2010 Pearson Education, Inc.
The following is a breakdown of TV viewers during the Super Bowl in 2007.
Of the viewers who did not watch the Super Bowl, what percentage was male?
45.2%
48.8%
26.8%
27.7%
Copyright © 2010 Pearson Education, Inc.
Slide 4- 13 13

14. Copyright © 2010 Pearson Education, Inc.
In a contingency table, when the distribution of one variable is the same for all categories of another, we say the variables are
separate.
independent.
distinct.
dependent.
Copyright © 2010 Pearson Education, Inc.

15. Copyright © 2010 Pearson Education, Inc.
In a contingency table, when the distribution of one variable is the same for all categories of another, we say the variables are
separate.
independent.
distinct.
dependent.
Copyright © 2010 Pearson Education, Inc.

16. Copyright © 2010 Pearson Education, Inc.
Which of the following would be the best visual for displaying conditional distributions?
Area chart
Segmented bar chart
Side by side chart
Cross tabulation
Copyright © 2010 Pearson Education, Inc.

17. Copyright © 2010 Pearson Education, Inc.
Which of the following would be the best visual for displaying conditional distributions?
Area chart
Segmented bar chart
Side by side chart
Cross tabulation
Copyright © 2010 Pearson Education, Inc.

18. Copyright © 2010 Pearson Education, Inc.
Combining percentages inappropriately across categories in a contingency table can yield absurd results. This is known as
Simpson’s Paradox.
Paradoxical Percentages.
Aristotle’s Paradox.
Homer’s Paradox.
Copyright © 2010 Pearson Education, Inc.

19. Copyright © 2010 Pearson Education, Inc.
Combining percentages inappropriately across categories in a contingency table can yield absurd results. This is known as
Simpson’s Paradox.
Paradoxical Percentages.
Aristotle’s Paradox.
Homer’s Paradox.
Copyright © 2010 Pearson Education, Inc.