This Question: 1 pt 15 of 16 (4 complete) This Test: 16 pts possible With a heig

Question

This Question: 1 pt 15 of 16 (4 complete) This Test: 16 pts possible With a height of 60 in, Alexander was the shortest president of a particular dlub in the past century. The club presidents of the past century have a mean height of 65.8 in and a standard deviation of 2.8 in. a. What is the positive difference between Alexander's height and the mean? b. How many standard deviations is that [the difference found in part (a)]? c. Convert Alexander'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 Alexander's height usual or unusual? The positive difference between Alexander's height and the mean is in. b. The difference is standard 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 Alexander's height usual or unusual? O Usual unusual

Explanation / Answer

a) positive differnce =|60-65.8| =5.8

b) std deviations =5.8/2.8 =2.07

c)z score =-2.07

d) unusual as outside of interval of usual values

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