ATARMAxxing · TCE General Mathematics revision notes
Residual plots, the coefficient of determination, interpolation versus extrapolation and reliability; association versus causation
Bivariate data analysis — residuals, r² and prediction
What this note covers
- Calculate and interpret residuals
- Use a residual plot to judge linear form
- Interpret the coefficient of determination
- Separate interpolation from extrapolation
- Evaluate prediction reliability as a whole
- Distinguish association from causation
6 sections · 10 key terms & formulas · 6 common mistakes
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