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10 cards from this deck
Numbers showing how a period compares to average
The average equals 1
Number of time periods
Period is above average
Period is below average
Actual÷SI\text{Actual} \div \text{SI}Actual÷SI
Deseasonalised×SI\text{Deseasonalised} \times \text{SI}Deseasonalised×SI
Period value÷Average\text{Period value} \div \text{Average}Period value÷Average
Reveal underlying trend without seasonal fluctuations
26% above average
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