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Chapter 9, Problem 42AYU

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QUESTION:

Mean Absolute Deviation  Another measure of variation is the mean absolute deviation. It is computed using the formula

\(\mathrm{MAD}=\frac{\Sigma|x_i-\bar x|}{n}\)

Compute the mean absolute deviation of the data in Problem 11 and compare the results with the sample standard deviation.

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QUESTION:

Mean Absolute Deviation  Another measure of variation is the mean absolute deviation. It is computed using the formula

\(\mathrm{MAD}=\frac{\Sigma|x_i-\bar x|}{n}\)

Compute the mean absolute deviation of the data in Problem 11 and compare the results with the sample standard deviation.

ANSWER:

Step 1 of 3

The data in problem 11:

The Insurance Institute for Highway Safety crashed the 2010 Ford Fusion four times at 5 miles per hour. The cost of repair for each of the four crashes are as follows:

$2529, $1889, $2610, $1073

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