For the In$-$Class Assignment, the Na$$ve forecast for next period $($Period $11)$ is For the In$-$Class Assignment, the Na$$ve forecast for next period $($Period $11)$ is A: $852$ B: $770$ C: $787$ D: $827$eriod Actual Na$$ve $3-$MA $4-$MA $2-1$ WMA $1-3-5$ WMA a $=\mathrm{.}2$ ES a $=\mathrm{.}7$ ES $1269$