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A nursery sells trees of different types and heights. These trees average 60 inches in height with a standard deviation of 13 inches. Suppose that

A nursery sells trees of different types and heights. These trees average 60 inches in height with a standard deviation of 13 inches. Suppose that 60 pine trees are sold for planting at City Hall. What is the standard deviation for the sample mean?

Multiple Choice

1.6783
3.2441
8.4911
13

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