Pretend as though you have just been hired as the Technical Consultant with the Johnson and Johnson Company and they want you to forecast their sales. Review the time series data in the following table, use the WMA(5,7,3) method on it.
1 2 3 4 5 6 7 8 9 10
17.38 17.92 18.03 17.79 17.98 18.41 18.14 18.20 18.28 ??.??