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

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    3 The following tabulations are actual sales of units for six months and a starting forecast in January.
    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
    May 68
    June 94

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