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Problem $3$

The Model T Car company has recorded actual demand for their automobiles for the past three months was:

Three months ago $400$ units

Two months ago $350$ units

Last month $325$ units

a$.$ Using a simple three$-$month moving average, make an automobile forecast for this month. $($Round your answer to the nearest whole number.$)$

Forecast for this month $358$ Numeric ResponseEdit Unavailable. $358$ correct.units

b$.$ If $300$ units were actually demanded this month, what would your forecast be for next month, again using a $3-$month moving average? $($Round your answer to the nearest whole number.$)$

Forecast for the next month $325$ Numeric ResponseEdit Unavailable. $325$ correct.units

c$.$ Using simple exponential smoothing, what would your forecast be for this month if the exponentially smoothed forecast for three months ago was $450$ units and the smoothing constant was $0\mathrm{.}20?($Round your answer to the nearest whole number.$)$

Forecast for this month $225$ Numeric ResponseEdit Unavailable. $225$ incorrect.units