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An employment information service claims the mean annual pay for full-time college student is $16,000 with...

An employment information service claims the mean annual pay for full-time college student is $16,000 with a standard deviation of $2,000. The annual pay for a random sample of 15 full-time college student is $17,250. At α=0.05, test the claim that the mean salary is $16,000.

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