2. As the new manager of a small convenience store, you want to understand the shopping patterns of your
118
119
customers. You randomly sample 20 purchases from yesterday's records (all purchases in U.S. dollars):
39.05
2.73
32.92
47.51
37.91
34.35
64.48
51.96
56.95
81.58
47.80
11.72
21.57
40.83
38.24
32.98
75.16
74.30
47.54
65.62
a) Make a histogram of the data using a bar width of $20.
b) Make a histogram of the data using a bar width of $10.
c) Make a relative frequency histogram of the data using a bar width of $10