Fourth grade children are on average 46 inches tall with astandard deviation of 3.7 inches. Consider the
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Fourth grade children are on average 46 inches tall with astandard deviation of 3.7 inches. Consider the sample mean heightof 38 students in a fourth grade classroom. Assume the individualfourth graders’ heights are independent. a. What is the expectedvalue of the sample mean height? b. What is the standard deviationof the sample meanheight?
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