Mathematics, 21.04.2020 15:34 layja20
Bones Brothers & Associates prepare individual tax returns. Over prior years, Bones Brothers have maintained careful records regarding the time to prepare a return. The mean time to prepare a return is 90 minutes, and the population standard deviation of this distribution is 14 minutes. Suppose 49 returns from this year are selected and analyzed regarding the preparation time. What is the standard deviation of the sample mean? Select one: a. 14 minutes b. 2 minutes c. .28 minutes d. 98 minutes
Answers: 1
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Bones Brothers & Associates prepare individual tax returns. Over prior years, Bones Brothers hav...
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