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.

a. How many classes are there?

b. What is the class width?

c. What are the class limits?

d. Construct a frequency histogram.

e. Construct a relative frequency distribution.

f. Construct a relative frequency histogram.
g. What percentage of students play video games less than 10 hours per week?
h. What percentage of students play video games 19 or more hours per week?

Transcribed Image Text:

Number of Hours Frequency 1.0-3.9 25 4.0-6.9 34 7.0-9.9 48 10.0-12.9 29 13.0-15.9 23 16.0-18.9 17 19.0-21.9 13 22.0-24.9 7 25.0-27.9 3. 28.0-30.9 1