Question 1 (5 marks)

The weekly demand for a chocolate bar at a supermarket during the past five weeks has been

Week	1	2	3	4	5
Demand	650	550	550	725	825

Forecast the demand for week 6 using a four-period moving average.

1. Forecast the demand for week 6 using a three-period weighted moving average. Use the following weights to obtain your forecast:

Weight 1=0.50,

Weight 2=0.30, and

Weight 3=0.20