Mitra company has been averaging 17.9 orders per week for several years. However, during a recession, weekly orders have appeared to slow. Suppose, John Dong, Mitra’s production manager randomly samples 32 weeks during the recession period and finds a sample mean of 15.5 orders per week. The population standard deviation is 2.25 orders per week. Test to determine whether the average number of weekly orders decreased in the recession period, using = .10. How would the result would chang …
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