A business has experienced the following sales figures (in 5000) over the last three years:
Year
on
20X1
20X2
20X3
Jan to Apr
60
64
70
May to Aug
94
99
106
Sep to Dec
65
68
71
The business uses a three period moving average technique to determine both a trend line and seasonal variations.
Using the additive model, what is the seasonal variation for September to December 20X2?
+$11,000 A
B +$31,000
C -$11,000
D -$31,000
Ask the Tutor ACCA MA
Forecasting
2y ago#1There is no point in simply typing out a full question and expecting to be provided with a full answer.
You must have an answer in the same book in which you found the question, so ask about whatever it is in the answer that you are not clear about and then I will explain.
I do assume that you have watched my free lectures on time series analysis? The lectures are a complete free course for Paper MA and cover everything needed to be able to pass the exam well.
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