http://lib.stat.cmu.edu/DASL/Datafiles/Shoppers.html

Datafile Name: Shoppers
Datafile Subjects: Consumer
Story Names: Grocery Shopping
Reference: Moore, David S., and George P. McCabe (1989). Introduction to the Practice of Statistics.
Authorization:
Description: Amount spent in a grocery store by 50 consecutive shoppers.
Number of cases: 50
Variable Names:

    Spending: Amount spent in dollars 

The Data:

Spending
2.32
6.61
6.9
8.04
9.45
10.26
11.34
11.63
12.66
12.95
13.67
13.72
14.35
14.52
14.55
15.01
15.33
16.55
17.15
18.22
18.3
18.71
19.54
19.55
20.58
20.89
20.91
21.13
23.85
26.04
27.07
28.76
29.15
30.54
31.99
32.82
33.26
33.8
34.76
36.22
37.52
39.28
40.8
43.97
45.58
52.36
61.57
63.85
64.3
69.49