Business, 17.02.2022 06:10 tannerlynn4320

10.5. Some studies have shown that in the United States, men spend more than women buying gifts and cards on Valentine's Day. Suppose a researcher wants to test this hypothesis by randomly
sampling 9 men and 10 women with comparable demographic characteristics from various large cities
across the United States to be in a study. Each study participant is asked to keep a log beginning one
month before Valentine's Day and record all purchases made for Valentine's Day during that one-
month period. The resulting data are shown below.
Men $107.48 143.61 90.19 125.53
Women $125.98 45.53 56.35 80.62
70.79 83
46.37 44.34
129.63
75.21
154.22
68.48
93.80
85.84
126.11
Using the critical value method and the above data, at 1% level of significance, determine if, on average,
men actually do spend significantly more than women on Valentine's Day. Assume that such spending
is normally distributed in the population and that the population variances are equal.

10.5. Some studies have shown that in the United States, men spend more than women buying gifts

a

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10.5. Some studies have shown that in the United States, men spend more than women buying gifts an...