relative frequency
What relative frequency means in Mathematics A-Level, as defined for Pearson Edexcel, WJEC.
Definitions of relative frequency
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Reference: WJEC
Observed proportions in sample presentations that approximate theoretical probability models and can be compared with theoretical probabilities to assess model fit.
Found by dividing each frequency by the total, and estimates probability, with total relative frequency equal to 1.
Topics that use relative frequency
- 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
- scatter diagrams
- standard deviation
- Summary statistics
- bivariate interpretation
- box plot conventions
Using relative frequency in the exam
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