National scan inc sells radio frequency inventory tags, Ask an Expert

Management Studies

National Scan, Inc., sells radio frequency inventory tags. Monthly sales for a seven-month period were as follows:

Month Sales (000 units)

Feb. 19

Mar. 18

Apr. 15

May 20

Jun. 18

Jul. 22

Aug. 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.) d. What does use of the term sales rather than demand presume?

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Operation Management, Management Studies

Category:- Operation Management
Reference No.:- M93084780

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