Question: 7. Mean Absolute Deviation (MAD) (Refer to Slides 52, 53, and 54 in Chapter 02 -or- Pages 54 and 55 in the textbook) Calculate the

7. Mean Absolute Deviation (MAD) (Refer to Slides 52, 53, and 54 in Chapter 02 -or- Pages 54 and 55 in the textbook) Calculate the Mean Absolute Deviation (MAD) using the following data. Month Actual Sales Forecast ABS Deviation

Month

Actual Sales

Forecast

ABS Deviation

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

TOTAL

AVERAGE

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