Quick questions on Seasonal indices and deseasonalisation: VCE General Mathematics Unit 3 Data analysis

Q: What are indices not summing to the number of seasons?

For quarterly data the four indices must sum to 4 (average 1). If they do not, rescale by multiplying each by (number of seasons) divided by (current sum).

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What are indices not summing to the number of seasons?

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For quarterly data the four indices must sum to

4

(average

1

). If they do not, rescale by multiplying each by (number of seasons) divided by (current sum).

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