raidattarab
02.10.2020 •
Mathematics
One Sample T-Tests a) “Goro Kazto, a perfume distributor, believes that the mean cost to process a sales order is $13.25. Roxanne Peck, cost controller, fears that the average cost of processing is more than that. She is interested in taking action if costs are high, but she can accept the situation if the actual mean cost is below the hypothesized value. A random sample of 100 orders has a sample mean of $13.35.” Assuming the sample standard deviation is $0.50, conduct a test at the .05 level of significance. (Sanders & Smidt, 2000)
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Ответ:
2c^2
Step by step explanation: