AQA GCSE Statistics · 8382
Specification 3.4.4 · Paper 1, Paper 2
Revise: Measures of SpreadQuartiles divide ordered data into four approximately equal parts.
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GCSE Statistics · key term
One of the three dividing values that split ordered data into four approximately equal parts.
Used by AQA
Specification 3.4.4 · Paper 1, Paper 2
Revise: Measures of SpreadQuartiles divide ordered data into four approximately equal parts.
Put raw data in numerical order before finding quartiles. A quartile position is not the quartile value: read the value at that position.
For the specified quartile datasets, n is one less than a multiple of 4. Use n + 1 when calculating quartile positions; no fractional-position adjustment is needed.
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