Geography A-Level
Chi-square test
What Chi-square test means in Geography A-Level, as defined for AQA.
Definition of Chi-square test
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Reference: AQA
Compares observed and expected frequencies for categorical data, either for association in a contingency table or for a stated expected distribution, using degrees of freedom.
Topics that use Chi-square test
- Statistical skills (AQA A-Level)
Related terms
- Hypothesis testing
- Inter-quartile range
- Median
- Spearman’s rank correlation
- Standard deviation
- Statistical significance
- Mean
- Measures of central tendency
Using Chi-square test in the exam
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