National Scan, Inc., sells radio frequency inventory tags.Monthly sales for a seven-month period were as follows:
(1) A linear trend equation.
(2) A five-month moving average.
(3) Exponential smoothing with a smoothing constant equal to.20, assuming a March forecast of 19(000).
(4) The naive approach.
Month Feb. Mar. Apr. May Jun. Jul. Aug. Sales (000 units) 19 18 15 20 18 22 20
National Scan, Inc., sells radio frequency inventory tags. Monthly sales for a seven-month period were as follows: (1) A
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