78. Twenty-five randomly selected students were asked the number of movies they watched the previous
week. The results are as follows.
# of movies
Relative frequency
0
1
2
3
4
Table 2.67
40/111
30/111
20/111
10/111
0
Frequency
a. Construct a histogram of the data.
b. Complete the columns of the chart.
5/111
5
Use the following information to answer the next two exercises: Suppose one hundred eleven people who shopped
in a special t-shirt store were asked the number of t-shirts they own costing more than $19 each.
17/111
9
6
4
1
23/111
39/111
Relative Frequency
25/111
2/111
Cumulative Relative Frequency
1 2 3 4
5
6
7
Number of T-shirts costing more than $19 each
