A sample of 200 college freshmen was asked how many hours per week they spent playing video games. The following frequency distribution presents the results. Number of Hours Frequency 1.0 - 5.9 23 6.0 - 10.9 34 11.0 - 15.9 47 16.0 - 20.9 26 21.0 - 25.9 23 26.0 - 30.9 18 31.0 - 35.9 10 36.0 - 40.9 5 41.0 - 45.9 3 46.0 - 50.9 11 A, How many classes are there? B. What is the class width? Do not round. (c) What percentage of students play video games for less than 41 hr per week? (d) What percentage of students play video games for 36 or more hours per week?
A sample of 200 college freshmen was asked how many hours per week they spent playing video games. The following frequency distribution presents the results. Number of Hours Frequency 1.0 - 5.9 23 6.0 - 10.9 34 11.0 - 15.9 47 16.0 - 20.9 26 21.0 - 25.9 23 26.0 - 30.9 18 31.0 - 35.9 10 36.0 - 40.9 5 41.0 - 45.9 3 46.0 - 50.9 11 A, How many classes are there? B. What is the class width? Do not round. (c) What percentage of students play video games for less than 41 hr per week? (d) What percentage of students play video games for 36 or more hours per week?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 21PPS
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Question
A sample of 200 college freshmen was asked how many hours per week they spent playing video games. The following frequency distribution presents the results.
| Number of Hours | Frequency |
|
1.0
5.9
|
23
|
|
6.0
10.9
|
34
|
|
11.0
15.9
|
47
|
|
16.0
20.9
|
26
|
|
21.0
25.9
|
23
|
|
26.0
30.9
|
18
|
|
31.0
35.9
|
10
|
|
36.0
40.9
|
5
|
|
41.0
45.9
|
3
|
|
46.0
50.9
|
11
|
A, How many classes are there?
B. What is the class width?
|
Do not round.
|
|
|
|
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