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Statistics : Hypothesis Testing

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A job placement director claims that the average starting salary for nurses is $24,000. A sample of 35 nurses has a mean of $23,450 and a standard deviation of $400. Is there enough evidence to reject the director's claim at alpha = 0.05? Use the rejection region method and provide an interpretation of the results.

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https://brainmass.com/statistics/hypothesis-testing/rejection-method-interpret-results-example-problem-288575

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