Cima C03 Exam Question No 16

Question No 16:

The following time series represents the weekly sales (£000) of a particular product:
Weekly Sales
£000
1             200
2             240
3             250
4             220
5             230
6             260
Assuming an additive model, and based on the information given, the seasonally-adjusted sales figure (£000) for week 4 will be

A. 237·5
B. 222·5
C. 220·0
D. 202·5

Answer: A