SOLUTION: The weight, in grams, of the pair of kidneys in adult males between the ages of 40 and 49 are normally distributed with a mean of 327 grams and a standard deviation of 31 grams. Fo

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Question 1152583: The weight, in grams, of the pair of kidneys in adult males between the ages of 40 and 49 are normally distributed with a mean of 327 grams and a standard deviation of 31 grams. For women between 40 and 49, the mean weight of kidneys is 224 g with a standard deviation of 34 grams. A doctor is doing an autopsy on a man and woman who died under suspicious circumstances. The male’s kidneys weighed 256 grams, while the female’s kidneys weighed 299 grams.
Which person’s kidneys were more unusual?
Gender Mean kidney weight Stand. Dev.
Male 327 grams 31 grams
Female 224 grams 34 grams
Answer by Boreal(15235) About Me  (Show Source):
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The male kidneys were 71 gm less than normal or 71/31 or nearly 2.3 sd lighter.
The female kidneys were 75/34 gm greater than normal or 2.21 sd.
Both were uncommon, but the male's were a little more so.