For Questions use the following narrative
Narrative: Men's heights
Suppose the mean height for adult males in the U.S.is about 70 inches and the standard deviation is about 3 inches.Assume men's heights follow a normal curve.
-{Men's heights narrative} Using the Empirical Rule, 68% of adult males should fall into what height range?
A)Between 67 and 73 inches tall.
B)At or below 68 inches tall.
C)Between 70 and 73 inches tall.
D)None of the above.

Question

Quizplus · Accepted Answer

The Empirical Rule states that 68% of the data fall within 1 standard deviation of the mean in a normal distribution. In this case, the mean height is 70 inches and the standard deviation is 3 inches. Therefore, 68% of adult males should fall between (70-3) = 67 inches and (70+3) = 73 inches tall.

For Questions Use the Following Narrative