Question $12,$ Problem $4\mathrm{.}6$

HW Score: $91\mathrm{.}11\%,27\mathrm{.}33$ of $30$ points

Part $3$ of $6$

Points: $2$ of $3$

The monthly sales for Yazici Batteries, Inc., were as follows:

$\backslash$table$[[$Month$,$Jan,Feb,Mar,Apr,May,Jun,Jul,Aug,Sept,Oct,Nov,Dec$],[$Sales$,19,20,17,14,15,16,16,17,20,22,21,24]]$

This exercise contains only parts $b$ and $c.$

b$)$ The forecast for the next month $($Jan$)$ using the naive method $=24$ sales $($round your response to a whole number$).$

The forecast for the next period $($Jan$)$ using a $3-$month moving average approach $=22\mathrm{.}3$ sales $($round your response to two decimal places$).($round your response to one decimal place$).$