Mathematics, 16.04.2020 02:29 Chartwig4576
A new manager of a small convenience store randomly samples 20 purchases from yesterday’s sales. The mean was $45.26 and the standard deviation was $20.67. We wish to test for evidence that the overall mean purchase amount is at least $40? What is the value of the t-statistic for this test (three decimal places)?
Answers: 3
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A new manager of a small convenience store randomly samples 20 purchases from yesterday’s sales. The...
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