scatter diagrams
What scatter diagrams means in Mathematics A-Level, as defined for Pearson Edexcel, WJEC.
Definitions of scatter diagrams
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Reference: WJEC
Plots of bivariate data showing the relationship between two quantitative variables, which must be inspected for distinct clusters or sub-groups.
Plots one variable against the other for paired bivariate data, and interpretation means describing direction, strength and form.
A presentation needed for paired quantitative variables.
Topics that use scatter diagrams
- Data presentation and interpretation (Pearson Edexcel A-Level)
- Data presentation and interpretation (AS Unit 2: Applied Mathematics A) (WJEC A-Level)
Related terms
- Frequency density
- probability density
- regression lines
- relative frequency
- standard deviation
- Summary statistics
- bivariate interpretation
- box plot conventions
Using scatter diagrams in the exam
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