how many classes are there and what is the class width? what is the what is the percentage of students that play percentage of students play video games for video games less than 4 hours per 1.0 or more hours week? per week?

how many classes are there and what is the class width? what is the what is the percentage of students that play percentage of students play video games for video games less than 4 hours per 1.0 or more hours week? per week?

Mathematics For Machine Technology

8th Edition

ISBN:9781337798310

Author:Peterson, John.

Publisher:Peterson, John.

Chapter84: Binary Numeration System

Section: Chapter Questions

Problem 10A: Analyze the following numbers. 0.802

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Question

200 college freshmen were sampled and asked how many hours per week they had spent playing video games, this is the frequency distribution.

how many classes
are there and what is
the class width?
what is the
what is the
percentage of
students that play
percentage of
students play
video games for
video games less
than 4 hours per
1.0 or more hours
week?
per week?

Number of Hours
Frequency
1.0-3.9
29
4.0-6.9
31
7.0-9.9
45
10.0-12.9
27
13.0-15.9
22
16.0-18.9
16
19.0-21.9
11
22.0-24.9
5.
25.0-27.9
28.0-30.9
5F

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