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A population of maple trees used for making syrup have a mean diameter of 22 inches with a standard deviation of 8 inches. If random

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A population of maple trees used for making syrup have a mean diameter of 22 inches with a standard deviation of 8 inches. If random samples of size 30 were taken from this population, what would be the standard deviation of their sample means? (1) 0.27 (3) 1.89 (2) 1.46 (4) 2.03

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