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Mathematics, 21.07.2019 18:00 thebrain1345
Amanager of a grocery store wants to determine if consumers are spending more than the national average. the national average is $150.00 with a standard deviation of $30.20. the manager collects 40 random receipts and finds that the average is $160. complete a hypothesis test with a significance level of 2.5% to determine if the average customer spends more in his store than the national average. which of the following is a valid conclusion for the manager based on this test? the customers spend more than the national average in his store. the manager should decrease prices in his store. the customers do not spend more than the national average in his store. the customers in his store just come from a rich neighborhood.
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