Summary statistics
What Summary statistics means in Mathematics A-Level, as defined for AQA, Pearson Edexcel, WJEC.
Definitions of Summary statistics
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Reference: Pearson Edexcel
Quantities such as sum of x, sum of x squared and n, from which a standard deviation can be found without the raw data.
Values such as Σx, Σx² and n, from which the mean and standard deviation can be found without the original data.
Given totals such as n, Σx and Σx² from which the mean and standard deviation can be calculated.
Topics that use Summary statistics
- L: Data presentation and interpretation (AQA A-Level)
- 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
- standard deviation
- Cleaning data
- Correlation
- data cleaning
- Histogram
- interquartile range
- Measures of central tendency
Using Summary statistics in the exam
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