contestada

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.

Respuesta :

CaptainHW
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.