Year 12 · TCE / General Mathematics
Feedback and error review.
Use a marked response to decide what to change next.
Try this with General Mathematics
- Choose one criterion, teacher comment or mark you want to understand.
- Compare your answer against that criterion and rewrite only the part that missed it.
- Try the same skill on a fresh task to see whether you can apply the feedback.
Pick a starting point
- Modelling with data, sequences and finance: choosing the model, checking reasonableness and drawing conclusions (Criterion 3)
- Two-way frequency tables, percentaged tables, divided bar graphs and describing association
- Scatterplots, direction, form and strength, and the correlation coefficient r
- Fitting the least-squares line by formula and calculator; interpreting gradient and intercept in context
- Residual plots, the coefficient of determination, interpolation versus extrapolation and reliability; association versus causation
- Time series plots, trend, seasonality and irregular fluctuation; moving averages, seasonal indices, deseasonalising and trend-line forecasting
Resource inventory inspected 4 November 2026. The main ATARMAXXING study platform is separate from tutoring. Topic labels show what was found, not a guarantee of complete curriculum coverage or tutor availability.
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