# Question: 3 a particular group of men have heights with a...

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3 .A particular group of men have heights with a mean of 183 cm and a standard deviation of 6 cm. Bill had a height of 188 cm.

a. What is the positive difference between Bill's height and the mean?

b. How many standard deviations is that [the difference found in part (a)]?

c. Convert Bill's height to a z score

. d. If we consider "usual" heights to be those that convert to z scores between minus 2 and 2, is Bill's height usual or unusual?