Question: Mean Absolute Deviation (MAD) Calculate the Mean Absolute Deviation (MAD) using the following data. (Refer to Slides 52, 53, and 54 in Chapter 02 -or-

Mean Absolute Deviation (MAD)

Calculate the Mean Absolute Deviation (MAD) using the following data.

(Refer to Slides 52, 53, and 54 in Chapter 02 -or- Pages 54 and 55 in the textbook)

Month Actual Sales Forecast
JAN 1,345 1,375
FEB 1,445 1,330
MAR 1,470 1,450
APR 1,390 1,420
MAY 1,340 1,350
JUN 1,345 1,340
JUL 1,300 1,305
AUG 1,375 1,355
SEP 2,152 2,200
OCT 2,312 2,135
NOV 2,352 2,320
DEC 2,224

2,272

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