Question #63314
b) A researcher reports that the average salary of assistant professors is more than £42,000. A sample of 30 assistant professors has a mean salary of £43,260 at a = 0.05, test the claim that assistant professors earn more than £42,000 per year. The standard deviation of the population is £ 5,230.
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2016-11-14T11:41:12-0500
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