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Measures of Spread — AQA GCSE Statistics 8382
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Statistics
AQA GCSE Statistics
Statistical Measures for Comparing Data
Measures of Spread and Outliers
Measures of Spread
AQA GCSE Statistics · 8382
Measures of Spread
What you need to know
Calculate the range and quartiles of a dataset, understanding how to adjust when the number of values is one less than a multiple of four.
Calculate the interquartile range and percentiles to measure data spread.
Calculate the interpercentile range, interdecile range, and standard deviation (Higher tier).
Revision notes
1
Measures of Spread
11 key terms
Practise with past papers
Key terms & definitions
Previous topic: Skewness
Skewness Determination
Next subtopic
Outlier Identification
