Is there a good reason to believe that evening customers purchase, on average, more than day customers? Support your answer by performing a statistical test on the difference between the mean day purchase and the mean evening purchase (using a two-tailed test).

Day Customers

Purchase Revenue	Purchase Cost
32.50	23.89
35.22	25.90
39.99	30.40
23.08	16.53
39.48	28.32
30.55	20.17
24.77	18.49
30.13	21.11
31.16	24.91
34.67	25.75
32.37	25.03
40.71	29.61
33.07	23.31
43.86	29.51
45.88	36.39
42.31	29.83
36.69	29.89
43.59	28.51
31.38	23.55
32.09	21.66
26.78	17.93
26.39	18.38
33.84	22.96
32.39	25.24
25.29	17.72
21.11	14.41
27.60	22.23
37.79	25.50
38.37	29.00
27.14	21.31

Evening Customer

Purchase Revenue	Purchase Cost
40.29	32.00
34.66	25.20
35.87	24.01
36.40	28.60
30.95	24.95
33.69	22.42
33.82	25.89
34.92	23.07
35.15	25.39
32.89	22.99
36.30	28.63
38.44	29.51
32.49	25.36
34.91	25.26
52.78	37.08
37.43	28.81
30.20	19.86
37.99	26.54
26.90	19.19
47.19	34.88
33.48	25.12
44.20	36.09
33.52	22.76
37.15	26.24
35.81	26.79
37.61	25.68
30.29	24.51
31.07	23.27
24.35	19.50
34.90	28.07

Answer rating: 100% (QA)

Day Customers Evening Customers Purchase Revenue Purchase Cost Purchase Revenue Purchase Cost Diff i... View the full answer