A particular group of men have heights with a mean of 168 cm and a standard deviation of 6 cm. Carl had a height of 175 cm.
What is the positive difference between Carl's height and the mean?
How many standard deviations is that [the difference found in part (a)]?
Convert Carl's height to a z score.
If we consider "usual" heights to be those that convert to z scores between minus2 and 2, is Carl's height usual or unusual?
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