A particular group of men have heights with a mean of 182 cm and a standard devi

Question

A particular group of men have heights with a mean of 182 cm and a standard deviation of 7 cm. Earl had a height of 186 cm. a. What is the positive difference between Earl's height and the mean? b. How many standard deviations is that [the difference found in part (a)]? c. Convert Earl'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 Earl's height usual or unusual? a. The positive difference between Earl's height and the mean is cm. b. The difference isstandard deviations (Type an integer or decimal rounded to two decimal places as needed.) c. The z score is Type an integer or decimal rounded to two decimal places as needed.) d. Is Earl's height usual or unusual? O Usual

Explanation / Answer

Mean is 182 and s is 7

a) Difference is 186-182=4

b) z is (x-mean)/s=4/7=0.57

c) 0.57

d) Usual

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