Mathematics, 15.04.2020 01:14 tddreviews
A credit card company wants to test the hypothesis that its account holders spend an average of $100 per month at gasoline stations. They take a sample of 1000 accounts and find an average spend of $115 with a standard deviation of $41. Conduct this hypothesis test with a .01 level of significance. What is the test statistic? Answer to two decimal places. Hint: this is a two-tail test.
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A credit card company wants to test the hypothesis that its account holders spend an average of $100...
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