The following tabulations are actual sales of units for six months and a starting forecast in January.

Question:

(Answers in Appendix E)

a. Calculate forecasts for the remaining five months using simple exponential smoothing with α = 0.2.

b. Calculate MAD for the forecasts.

Actual Forecast January 100 80 February 94 March 106 April 80 Actual Forecast May 68TW-111 June 94

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