Essentials Of Statistics
Essentials Of Statistics
4th Edition
ISBN: 9781305093836
Author: HEALEY, Joseph F.
Publisher: Cengage Learning,
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Textbook Question
Chapter 2, Problem 2.9P

SOC Twenty-five students completed a questionnaire that measured their attitudes toward interpersonal violence. A high score indicates that the respondent believed that physical force could legitimately be used in many situations. Low scores mean that the respondent thought that violence could be justified in few or no situations.

52 47 17 8 92
53 23 28 9 90
17 63 17 17 23
19 66 10 20 47
20 66 5 25 17

a. Construct a frequency distribution to display these data.

b. What are the midpoints of the class intervals?

c. Add columns to the table to display the percentage distribution, cumulative frequencies, and cumulative percentages.

d. Write a paragraph summarizing this distribution of scores.

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