Question: Please explain and show how to do problem number 3 for problem B, thanks. 1. Ms. Winnie Lin's company sells computers. The monthly sales for

Please explain and show how to do problem number 3 for problem B, thanks. Please explain and show how to do problem number
1. Ms. Winnie Lin's company sells computers. The monthly sales for a six-month period are as follows: MONTH SALES Jan 18,000 Feb 22,000 Mar 16,000 Apr 18,000 May 20,000 Jun 24,000 a. Plot the monthly data on a sheet of graph paper. b. Compute the sales forecast for July using the following approaches: (1) a three-month moving average: (2) a weighted three-month moving average using 0.50 for June, 0.30 for May, and 0.20 for April (3) a linear trend equation; and (4) exponential smoothing with a (smoothing constant) equal to 0.40, assuming a February forecast of 18,000

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