#5

Below is a table containing data on product demand for the most recent five months along with the forecasts that had been made for those 5 previous months. Use the 3-period simple moving average method to forecast the number of sales to expect next month.

Month Demand Forecast 1-----------308---------341 2-----------388-------- 343.3 3---------- 344--------- 364.7 4--------- 400--------- 346.7 5---------- 341--------- 377.3

Solution and explanation, please!