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Mathematics 13 Online
OpenStudy (hockeychick23):

Can someone explain how to solve this question to me please? Suppose that the standard deviation of the values of a population is 20.2, and many samples are taken from the population. If the size of each sample is 121, which of the following would most likely be the standard deviation of the sample means? A. 1.84 B. 1.68 C. 1.44 D. 1.55

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