slide 4- 1 copyright © 2010 pearson education, inc. active learning lecture slides for use with...
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Slide 4- 1Copyright © 2010 Pearson Education, Inc.
Active Learning Lecture Slides For use with Classroom Response Systems
Business Statistics First Edition
by Sharpe, De Veaux, Velleman
Chapter 4: Displaying and Describing Categorical Data
Slide 4- 2Copyright © 2010 Pearson Education, Inc.
Which of the following always displays percentages rather than counts?
A. Frequency table
B. Bar chart
C. Relative frequency table
D. Contingency table
Slide 4- 3Copyright © 2010 Pearson Education, Inc.
Which of the following always displays percentages rather than counts?
A. Frequency table
B. Bar chart
C. Relative frequency table
D. Contingency table
Slide 4- 4Copyright © 2010 Pearson Education, Inc.
When preparing a chart we must follow the area principle because
A. percentages do not add up to 100%.
B. a flashy display helps to make a point.
C. we want to draw attention to large areas.
D. we want to avoid misrepresentation and distortion.
Slide 4- 5Copyright © 2010 Pearson Education, Inc.
When preparing a chart we must follow the area principle because
A. percentages do not add up to 100%.
B. a flashy display helps to make a point.
C. we want to draw attention to large areas.
D. we want to avoid misrepresentation and distortion.
Slide 4- 6Copyright © 2010 Pearson Education, Inc.
Which of the following gives the best visual of how a whole group is partitioned into several categories?
A. Bar chart
B. Frequency distribution
C. Pie chart
D. Contingency table
Slide 4- 7Copyright © 2010 Pearson Education, Inc.
Which of the following gives the best visual of how a whole group is partitioned into several categories?
A. Bar chart
B. Frequency distribution
C. Pie chart
D. Contingency table
Slide 4- 8Copyright © 2010 Pearson Education, Inc.
The following is a breakdown of TV viewers during the Super Bowl in 2007.
What percentage of viewers was male:
A. 19.8%
B. 47.5%
C. 48.8%
D. 27.7%
Male Female TotalGame 279 200 479Commercials 81 156 237Won't Watch 132 160 292
Total 492 516 1008
Slide 4- 9Copyright © 2010 Pearson Education, Inc.
The following is a breakdown of TV viewers during the Super Bowl in 2007.
What percentage of viewers was male:
A. 19.8%
B. 47.5%
C. 48.8%
D. 27.7%
Male Female TotalGame 279 200 479Commercials 81 156 237Won't Watch 132 160 292
Total 492 516 1008
Slide 4- 10Copyright © 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?
A. 8.0%
B. 23.5%
C. 58.2%
D. 27.7%
Male Female TotalGame 279 200 479Commercials 81 156 237Won't Watch 132 160 292
Total 492 516 1008
Slide 4- 11Copyright © 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?
A. 8.0%
B. 23.5%
C. 58.2%
D. 27.7%
Male Female TotalGame 279 200 479Commercials 81 156 237Won't Watch 132 160 292
Total 492 516 1008
Slide 4- 12Copyright © 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?
A. 45.2%
B. 48.8%
C. 26.8%
D. 27.7%
Male Female TotalGame 279 200 479Commercials 81 156 237Won't Watch 132 160 292
Total 492 516 1008
Slide 4- 13Copyright © 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?
A. 45.2%
B. 48.8%
C. 26.8%
D. 27.7%
Male Female TotalGame 279 200 479Commercials 81 156 237Won't Watch 132 160 292
Total 492 516 1008
Slide 4- 14Copyright © 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
A. separate.
B. independent.
C. distinct.
D. dependent.
Slide 4- 15Copyright © 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
A. separate.
B. independent.
C. distinct.
D. dependent.
Slide 4- 16Copyright © 2010 Pearson Education, Inc.
Which of the following would be the best visual for displaying conditional distributions?
A. Area chart
B. Segmented bar chart
C. Side by side chart
D. Cross tabulation
Slide 4- 17Copyright © 2010 Pearson Education, Inc.
Which of the following would be the best visual for displaying conditional distributions?
A. Area chart
B. Segmented bar chart
C. Side by side chart
D. Cross tabulation
Slide 4- 18Copyright © 2010 Pearson Education, Inc.
Combining percentages inappropriately across categories in a contingency table can yield absurd results. This is known as
A. Simpson’s Paradox.
B. Paradoxical Percentages.
C. Aristotle’s Paradox.
D. Homer’s Paradox.
Slide 4- 19Copyright © 2010 Pearson Education, Inc.
Combining percentages inappropriately across categories in a contingency table can yield absurd results. This is known as
A. Simpson’s Paradox.
B. Paradoxical Percentages.
C. Aristotle’s Paradox.
D. Homer’s Paradox.