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Burger Lover Restaurant forecasts weekly sales of cheeseburgers.

Cheeseburger

Based on historical observations over the past five weeks, make a forecast for the next period using the following methods: simple

average, three$-$period moving average, and exponential smoothing with $a=0\mathrm{.}3,$ given a forecast of $326$ cheeseburgers for the first

week. $($Round your answers to $2$ decimal places,e$.$g$.250\mathrm{.}25)$

Simple average: $F_6=$

$3-$Period moving average: $F_6=$

Exponential smoothing: $F_6=$

If actual sales for week $6$ turn out to be $365,$ compare the three forecasts using MAD. Which method performed best?

$($Calculate your answers using the error only in period $6.)$

MAD $($simple average$)=$

MAD $(3-$period moving average$)=$

MAD $($exponential smoothing$)=$