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Hypothesis Testing 1) The scores on an aptitude test required for entry into a certain job position have a mean of 463 and a population

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Hypothesis Testing

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1) The scores on an aptitude test required for entry into a certain job position have a mean of 463 and a population standard deviation of 107. if a random sample of 45 applicants has a mean of 514. Using a 5% level of significance, is there evidence that their mean score of 463 is different from the mean that is expected from all applicants

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