MAT 1272 Statistics, SP2014

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    Ezra Halleck
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    10) *A survey claims that a college graduate from Smith College can expect an average starting salary of at least $42,000. Fifteen Smith College graduates had an average starting salary of $40,800 with a standard deviation of $2,250. At the 1% level of significance, can we conclude that the average starting salary of the graduates is significantly less than $42,000?

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