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The administration of a local college states that the average age of its students is 28...

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Basic Math

The administration of a local college states that the averageage of its students is 28 years. Records of a random sample of 100students give a mean age of 31 years. Using a population standarddeviation of 10 years, test at the 5% significance level whetherthere is evidence that the administration’s statement isincorrect.

State clearly your null and alternative hypotheses.

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Solution This is the two tailed test The null and alternative    See Answer
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