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# Q-Mart is interested in comparing its male and female customers. Q-Mart would li

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4 years ago
 Q-Mart is interested in comparing its male and female customers. Q-Mart would li Q-Mart is interested in comparing its male and female customers. Q-Mart would like to know if the amount of money spent by its female charge customers differs, on average, from the amount spent by its male charge customers. To answer this question, an analyst collected random samples of 25 female customers and 22 male customers. Based on these samples, on average, the 25 women charge customers spent $102.23 and the 22 men charge customers spent$86.46. Moreover, the sample standard deviation of the amount charged by the 25 women was $93.393, and the sample standard deviation of the amount charged by the 22 men was$59.695. Suppose, using a 10% level of significance, you wish to know if there is sufficient evidence for Q-Mart to conclude that, on average, the amount spent by women charge customers differs from the amount spent by men charge customers. That is suppose you wish to test H0:   versus  H1: Assuming that the amounts spent by male and female charge customers at Q-Mart are normally distributed, based on the procedure advocated by Bluman, what is the test value that you would use to conduct this test of hypothesis? Place your answer, rounded to 3 decimal places, in the blank. For example, 0.123 would be a legitimate entry. Read 4338 times 5 Replies
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4 years ago
efmb1006
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4 years ago
 Thank you again and also thank you for the explanation . That way I understand the process as well ..Krestik
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4 years ago
 No worries!
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4 years ago
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4 years ago
 Quote from: krestik (4 years ago)D.z = 0.081Answer to the first question. Please keep in mind the rules when posting new threads. I deleted your other thread since you disregarded what I told you in the past.
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