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# How tall? The heights of young men follow a Normal distribution with mean 69.3 inches

ISBN: 9781464108730 488

## Solution for problem 32 Chapter 10.2

The Practice of Statistics | 5th Edition

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The Practice of Statistics | 5th Edition

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Problem 32

How tall? The heights of young men follow a Normal distribution with mean 69.3 inches and standard deviation 2.8 inches. The heights of young women follow a Normal distribution with mean 64.5 inches and standard deviation 2.5 inches. Suppose we select independent SRSs of 16 young men and 9 young women and calculate the sample mean heights x M and x W. (a) What is the shape of the sampling distribution of x M x W? Why? (b) Find the mean of the sampling distribution. Show your work. (c) Find the standard deviation of the sampling distribution. Show your work.

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Applied Statistical Methods Chapter 2 Definitions/Notes Associations between Variables:  Two variables measured on the same cases are associated if knowing the value of one of the variables tells you something that you would not otherwise know about the value of the other variable  Response variable/dependent variable: variable being observed (or...

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How tall? The heights of young men follow a Normal distribution with mean 69.3 inches

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