Assignment:
Forecasts and actual sales of MP3 players at Just Say Music are as follows:
|
Month
|
Actual Sales
|
Forecast
|
|
March
|
170
|
150
|
|
April
|
229
|
220
|
|
May
|
192
|
205
|
|
June
|
241
|
256
|
|
July
|
238
|
250
|
|
August
|
210
|
260
|
|
September
|
225
|
270
|
|
October
|
179
|
280
|
For the month of November develop forecasts: Use a 2-month moving average, 4-month moving average and a 6- month moving average