Experts in  

This website has no connection with Cambridge International Examinations but serves to support students who wish to take Cambridge International Business  Examinations.

I'd love to hear from you!

Any questions, queries, comments or feedback please contact me by


use the contact form

or join the CBE social media revolution!

  • Facebook Basic Black
  • Black Instagram Icon
  • LinkedIn Social Icon

Moving Average Forecast Sales

4 (b) Refer to the table and graph in Appendix 1. Calculate SWF’s forecast sales for Quarter 3 in 2019.
Summer 2019 Paper 32

Predicted trend from inspection of graph: 40.8 Allow ±0.2 i.e. 40.6 – 41
Add average seasonal variation Q3 = 11.97
Forecast = 52.77 thousand litres or 527 700 litres