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##### (Solution) - Males 20 to 29 years old have a mean height

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Males 20 to 29 years old have a mean height of 69.5 inches with a standard deviation of 3.1 inches. Females 20 to 29 years old have a mean height of 64.4 inches with a standard deviation of 3.0 inches. (Based on Statistical Abstract of the U.S. 2012, Table 209.)
(a) Find the standardized variable for the heights of males.
(b) Find the standardized variable for the heights of females.
(c) For a 68-inch-tall person, find the value of the standardized variable for males.
(d) For a 68-inch-tall person, find the value of the standardized variable for females. Compare your answer with part (c) and comment.

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This question was answered on: Jul 11, 2017

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