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From a population of 5,000 observations, a sample of n = 100 is selected. Calculate the standard error of the sample mean if the population standard deviation is 50. A. 50.00. B. 4.48. C. 5.00.

From a population of 5,000 observations, a sample of n = 100 is selected. Calculate the standard error of the sample mean if the population standard deviation is 50.
A、 50.00.
B、 4.48.
C、 5.00.

发布时间：2025-11-16 22:51:18

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答案：C

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