Question # One

Month	Jan.	Feb.	Mar.	Apr.	May.	Jun.	Jul.	Aug.	Sep.	Oct.
Orders	120	90	100	75	110	50	75	130	110	90

1. Plot the above data
2. Compute the demand forecast for Aug. through Oct using a three month weighted moving average. Use weights of 0.5, 0.17.and 0.33, with the heavier weights on the more recent months.
3. Compute the demand forecast for Aug. through Oct using a three month weighted moving average. Use three month moving average
4. Which Method is much better? Why
5. Given TS 2 by using 2MA method? Do you agree or disagree to use it next time? Why
6. Which Methods can be used to Forecast November car sales ?
7. Explain. R between the Car Sales and the advertising fees is .80