Develop a$$ three$-$period moving average forecast for perios $13-15.$ Period

Demand $1021311415124431330314491$

Part $2$

Calculate the forecasts for periods $1315$ by using a$$ three$-$period moving average model $($enter your responses rounded to the nearest whole$$ number$).$

Period Demand Forecast

$10$

$213213$

$11$

$415415$

$12$

$443443$

$13$

$303303$

enter your response here

$14$

$491491$

$15$