(Answered) Ms winnie lins company sells computers monthly sales for a

Management Studies

Ms. Winnie Lin's company sells computers. Monthly sales for a six-month period are as follows:

Jan 18,000

Feb 22,000

Mar 16,000

Apr 18,000

May 20,000

Jun 24,000

Plot the monthly data on a sheet of graph paper.
Compute the sales forecast for July using the following approaches: 1) a three-month moving average; 2) a weighted three month moving average using .50 for June, .30 for May, and .20 for April; 3) a liner trend equation; 4) exponential smoothing with a (smoothing constant) equal to .40, assuming a February forecast of 18,000.
Which method do you think is the least appropriate? Why?
Calculate the MAD for each of the four techniques in part b. Which is the best? Why?

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