Question: ASSIGNMENT: #2 a through c. NOTE: Problem 2b. (1), change to Naive with Trend 2. National Scan, Inc., sells radio frequency inventory tags. Monthly sales

ASSIGNMENT: #2 a through c. NOTE: Problem 2b. (1), change toNaive with Trend

2. National Scan, Inc., sells radio frequency inventory tags. Monthly sales for a seven-month period were as follows: Month Feb. Mar. Apr. May Jun. Jul. Aug Sales (000 units) 19 18 15 20 18 22 20 a. Plot the monthly data on a sheet of graph paper. b. Forecast September sales volume using each of the following: (1) The naive approach. (2) A five month moving average. (3) A weighted average using .60 for August, 30 for July, and 10 for June. (4) Exponential smoothing with a smoothing constant equal to 20, assuming a a March forecast of 19(000). (5) A linear trend equation. c. Which method seems least appropriate? Why? (Hint: Refer to your plot from part a.)

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