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The prices of backpacks at a store are $26, $22, $31, $18, $24, $22, $19, and $30. Find the Mean absolute deviation, (MAD), of the prices. Please show work.

User Gedamial
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1 Answer

6 votes
MAD=1/(N)*(|x1-xm|+|x2-xm|+..+|xN-xm|)
=1/8(|26-24|+|22-24|+|31-24|+|18-24|+|24-24|+|22-24|+|19-24|+|30-24|)
=1/8(2+2+7+6+0+2+5+6))
=3.75

The MAD is 24.
User Anastatia
by
8.3k points
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