Mathematics A-Level
outlier boundaries
What outlier boundaries means in Mathematics A-Level, as defined for WJEC.
Definition of outlier boundaries
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Reference: WJEC
Values given by Q₁ − 1.5 × IQR and Q₃ + 1.5 × IQR, used to classify a data point as an outlier.
Topics that use outlier boundaries
Related terms
- bivariate interpretation
- box plot conventions
- causal inference
- central tendency
- comparative analysis
- confounding variables
- correlation versus causation
- data cleaning
Using outlier boundaries in the exam
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