Edexcel GCSE Statistics · 1ST0
Specification 2c.01, 2c.04 · Paper 1, Paper 2
Revise: Calculating measures of spreadMeasures of dispersion, or spread, describe this difference. Some use just two boundary values; standard deviation uses every value. A smaller measure indicates less spread, although different measures describe different aspects of the distribution.
- Revise: Comparing measures of spread
The spread or variability of the values in a data set.