Mathematics, 14.04.2020 23:02 lilbit404
A local eat-in pizza restaurant wants to investigate the possibility of starting to deliver pizzas. The owner of the store has determined that home delivery will be successful only if the average time spent on a delivery does not exceed 30 minutes. The owner has randomly selected 22 customers and delivered pizzas to their homes in order to test whether the mean delivery time actually exceeds 30 minutes. What assumption is necessary for this test to be valid? A. The population variance must equal the population mean.
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A local eat-in pizza restaurant wants to investigate the possibility of starting to deliver pizzas....
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