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O OF $5$ QUESTIONS REMAINING

Question $5$

Calculate the MAD and MSE for each of the above three forecasting methods by using the last four months values $($i$.$e$.$ September $2010$ to December $2010),$ and determine which forecasting method is the best.

$($A$)$ Moving Averages with $5$ Periods

$($B$)$ Linear Trend

$($C$)$ Moving Average with $3$ Periods

$($D$)$ Exponential Smoothing $)=(0\mathrm{.}3$

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