Question: Using MAD, determine whether the forecast in Problem 5-15 or the forecast in the section concerning Wallace Garden Supply is more accurate. In Problem 5-15,

Using MAD, determine whether the forecast in Problem 5-15 or the forecast in the section concerning Wallace Garden Supply is more accurate.

In Problem 5-15, Develop a four-month moving average forecast for Wallace Garden Supply and compute the MAD. A three-month moving average forecast was developed in the section on moving averages in Table5.2.

MONTH January February March April May June July August September October ACTUAL SHED SALES 1o 12 13 16 19 23 26 30 28 18 16 14 MONITH MOVING AVERAGE (101213)/3 11.67 (12 + 13 + 16)/3 13.67 (13 16 19)/3 16.00 (16 19 23)/3 19.33 (19 + 23 26)/3 22.67 (23 + 26 30)/3 26.33 (26 30+ 28)/3-28.00 (30 + 28 + 18)/3 2533 (28 + 18 + 16)/3 = 20.67 (18 16 14)/3 16.00 January

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