The following data set shows the number of hours of sick leave that some of the employees of Bastien's, Inc. have taken during the first quarter of the year (rounded to the nearest hour).
19
22
27
24
28
12
23
47
11
55
25
42
36
34
16
45
49
20
29
21
10
59
39
48
32
40
31
a.
b.
c.
Hours of
Relative
Percent
Cum.
Sick Leave Taken
Freq.
10 - 19
6
0.20
20 - 29
0.37
37
17
30 - 39
5
0.16
40 - 49
50 - 59
2
0.07
7
30
d. 22