Question
With a height of 64 in, Johnson was the shortest president of a particular club in the past century. The club presidents of the past
With a height of 64 in, Johnson was the shortest president of a particular club in the past century. The club presidents of the past century have a mean height of 71.5 in and a standard deviation of 2.8in.
a. What is the positive difference between Johnson's height and the mean?
b. How many standard deviations is that [the difference found in part (a)]?
c. Convert Johnson'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 Johnson's height usual or unusual?
The positive difference between Johnson 's height and the mean is?
The difference is ________ standard deviations. (Type an integer or decimal rounded to two decimal places as needed.)
The z score is? (Type an integer or decimal rounded to two decimal places as needed.)
Is Johnson's height usual or unusual?
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