Here are the shopping times in minutes) for each of fifteen shoppers at a local grocery store. Shopping times
(in minutes)
33
36
32
20
27
24
34
29
31
26
37
18
24
24
35
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(a) Complete the grouped frequency distribution for
the data. (Note that the class width is 5.)
(b) Using the classes from part (a), draw the frequency
polygon for the data. Note that you can add or remove
classes from the figure. Label each class with its
midpoint.
Shopping times
(in minutes)
17.5 to 22.5
Frequency
0
Frequency
6-
22.5 to 27.5
27.5 to 32.5
5-
4-
3
2-
1-
OLA
32.5 to 37.5
Shopping times in minutes)
Х
5
?