Are the given data normally? distributed

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Data show that men between the ages of 20 and 29 have a mean height of 69.3? inches, with a standard deviation of 3.2 inches. A baseball analyst wonders whether the standard deviation of heights of professional baseball players is less than 3.2 inches. The heights? (in inches) of 20 randomly selected players are shown in the table below.

72 74 71 71 76

70 77 75 72 72

77 72 75 70 73

74 75 73 74 74

?(a) Are the given data normally? distributed? (Check by constructing a normal probability? plot.)

A. ?No, the plot has a curve and some of the data do not lie within the bounds.

B. ?No, not all the data lie within the bounds of the normal probability plot.

C. ?Yes, the data come from a distribution that is approximately normal.

D. ?No, the normal probability plot has a curve.

Reference no: EM132409542

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