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2. For a sample of size 36, the standard deviation of the sample mean is 50. In order to cut this standard deviation of the

2. For a sample of size 36, the standard deviation of the sample mean is 50. In order to cut this standard deviation of the sample mean to 20, we need to A) increase the sample size to 400 B) increase the sample size to 225 C) increase the sample size to 100 D) decrease the sample size to 25

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