A particular group of men have heights with a mean of 169 cm and a standard devi

Question

A particular group of men have heights with a mean of 169 cm and a standard deviation of 8 cm. Richard had a height of 177 cm. a. What is the positive difference between Richard's height and the mean? b. How many standard deviations is that [the difference found in part (a)]? c. Convert Richard's height to a z score. d. If we consider "usual" heights to be those that convert to z scores between -2 and 2, is Richard's height usual or unusual? a. The positive difference between Richard's height and the mean is cm.

Explanation / Answer

A)

Mean= 169 cm

and Richard height is 177 cm

a) Positive difference between mean and richard height is 8 cm

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