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B education.wiley.com Homework 5 Question 3 of 5 / 2 E Some studies have shown that in the United States, men spend more than women
B education.wiley.com Homework 5 Question 3 of 5 / 2 E Some studies have shown that in the United States, men spend more than women buying gifts and cards on Valentine's Day, Suppose an analyst 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. Use these data and a 1% level of signicance to test to determine if, on average, men actually do spend signicantly more than women on Valentine's Day. Assume that such spending is normally distributed in the population and that the population variances are equal. Men Women $107.48 $125.98 14361 45.53 90.19 56.35 125.53 80.62 70.79 46.37 83.00 44.34 129.63 75.21 154.22 68.48 93.80 85.84 126.11 Find the t-score to make a conclusion. Appendix A Statistical Tables (Round your answer to 2 decimal places, 2.3. 15.75.) Observed t= G The decision is to O
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