E-mail Hours per week----------------Frequency

0-------------------------------------------19

1--------------------------------------------20

2-------------------------------------------13

3-------------------------------------------5

4-------------------------------------------2

5-------------------------------------------6

6-------------------------------------------5

7-------------------------------------------2

8-------------------------------------------3

9-------------------------------------------1

10 or more-------------------------------23

How many hours per week do you spend on e-mail? Data are presented here for a GSS sample of 99 men and women, who each reported the number of hours they spent per week on e-mail.

(a) Compute the cumulative frequency and cumulative percentage distribution for the data.

(b) What proportion of the sample spent 3 hours or less per week on e-mail?

(c) What proportion of the sample spent 6 or more hours per week on e-mail?

(d) Construct a graph that best displays these data. Explain why the graph you selected is appropriate for these data