Define the seasonal index.

1.	Define the seasonal index.
Answer» Seasonal Index for every season (i.e) months, quarters, or year is given by Seasonal Index (S.I) = (Seasonal Average)/(Grand average) × 100 Where seasonal average is calculated for month, (or) quarter depending on the problem, and Grand Average (G) is the average of averages.

Answer»

Seasonal Index for every season (i.e) months, quarters, or year is given by

Seasonal Index (S.I) = (Seasonal Average)/(Grand average) × 100

Where seasonal average is calculated for month, (or) quarter depending on the problem, and Grand Average (G) is the average of averages.

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