Chapter 13, Problem 79H

Is the variance for the amount of money, in dollars, that shoppers spend on Saturdays at the mall the same as the variance

for the amount of money that shoppers spend on Sundays at the mall? Suppose that the Table 13.33 shows the results of a

study.

Saturday	Saturday	Saturday	Saturday
75	44	62	137
18	58	0	82
150	61	124	39
94	19	50	127
62	99	31	141
73	60	118	73
	89

Table 13.33