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1 of 8 0-day streak

Deseasonalise and reseasonalise values

DIFFICULTYintrostandardchallengeexam
QUESTION TYPEMix of allChange
Direct removal; whole values; index below oneDirect removal; whole values; index above oneDirect removal; tenths values; index below oneDirect removal; tenths values; index above oneNOWMix of allRecommended
Question 1 of 8

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A council records garden waste collected each quarter. The seasonal indices are given in the table below

Garden waste
SeasonSeasonal index
First quarter0.90
Second quarter1.20
Third quarter0.80
Fourth quarter1.10

The recorded garden waste for First quarter is 306 tonnes

2 marks

Calculate the garden waste for First quarter after removing its seasonal effect. Use the nearest whole unit

Format: nearest whole unit