[Aayisha]

Hello Sir!
Can you please help me out with the question 1 of test from chapter 19 which is related to time series.

Thank You!

Question for your reference:

In a time series analysis, the additive model is used to forecast sales and the following seasonal variations
apply:

Quarter 1 2 3 4
Seasonal variation: +5.8 -8.4 +10.2 ?

The seasonal variation for quarter 4 is:

A +7.6
B -8.1
C -7.6
D +8.1

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