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Let XX represent the full height of a certain species of tree. Assume that XX has a normal probability distribution with mean 210.5 ft and
Let XX represent the full height of a certain species of tree. Assume that XX has a normal probability distribution with mean 210.5 ft and standard deviation 46.1 ft. You intend to measure a random sample of n=136n=136 trees. The bell curve below represents the distibution of these sample means. The scale on the horizontal axis is the standard error of the sampling distribution.
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