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?
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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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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