Forecasts and actual sales of digital music players at Just Say Music are as follows:

Month	Forecast	Actual Sales
March	180	170
April	224	233
May	204	194
June	247	235
July	243	222
August	260	210
September	285	230
October	258	176

1. What is the forecast for November, using a two-period moving average? Round your answer to two decimal places.

2. What is the forecast for November, using a three-period moving average? Round your answer to two decimal places.

3. Compute MSE for the two- and three-period moving average models and compare your results. Do not round intermediate calculations. Round your answers to two decimal places.

	2-period MA	3-period MA
MSE