A recent study of home technologies reported the number of hours of personal computer usage per week for a sample of 60 persons. Excluded from the study were people who worked out of their home and used the computer as a part of their work.
9.3
5.3
6.3
8.8
6.5
0.6
5.2
6.6
9.3
4.3
6.3
2.1
2.7
0.4
3.7
3.3
1.1
2.7
6.7
6.5
4.3
9.7
7.7
5.2
1.7
8.5
4.2
5.5
5.1
5.6
5.4
4.8
2.1
10.1
1.3
5.6
2.4
2.4
4.7
1.7
2.0
6.7
1.1
6.7
2.2
2.6
9.8
6.4
4.9
5.2
4.5
9.3
7.9
4.6
4.3
4.5
9.2
8.5
6.0
8.1
a. Organize the data into a frequency distribution. How many classes would you suggest?
b. What value would you suggest for a class interval?
c. Draw a histogram. Interpret your result.