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A recent report claimed that Americans are retiring later in life U S News World...

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A recent report claimed that Americans are retiring later in life U S News World Report August 17 An economist wishes to determine if the mean retirement age has increased from 62 To conduct the relevant test she takes a random sample of 38 Americans who have recently retired and computes the value of the test statistic as t37 1 92 With a 0 05 she Multiple Choice does not reject the null hypothesis and does not conclude that the mean retirement age has increased rejects the null hypothesis and concludes that the mean retirement age has not increased Orejects the null hypothesis and concludes that the mean retirement age has increased does not reject the null hypothesis and does not conclude that the mean retirement age has changed

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