whole number$).$

The MAD for the forecast developed using a weighted $2-$year moving average with weights of $0\mathrm{.}40$ and $0\mathrm{.}60=76\mathrm{.}6$ miles $($round your response to one decimal place$).($Hint: years of matched data.$)$

d$)$ Using exponential smoothing with $=0\mathrm{.}20$ and the forecast for year $1$ being $3,000,$ the forecast for year $6=$ miles $($round your response to the nearest whole number$).$