All blog posts

Learn why standardising values in IB Maths AI feels routine yet leads to frequent mistakes, and how to avoid losing easy marks.

Learn why assumptions drive modelling success in IB Maths AI and how ignoring them costs interpretation marks.

Learn why “evaluate the model” questions feel vague in IB Maths AI and how to answer them confidently for full marks.

Learn why IB Maths AI focuses on sampling limitations and how acknowledging them earns interpretation marks.

Learn why IB Maths AI prioritises interpretation over z-score calculation and how this affects marks in normal distribution questions.

Learn why real-world models are never perfect in IB Maths AI and how recognising limitations earns interpretation marks.

Skewness matters in IB Statistics. Learn why it affects interpretation, common mistakes, and exam expectations.

Learn why IB Maths AI values residual analysis more than the regression equation and how this reveals model reliability.

Learn why mathematical communication is central to IB Maths AI and how clear structure and wording earn marks.

Understand why IB Maths AI students find medians easier than means on cumulative frequency graphs and how exam questions exploit this difference.

Learn why the normal distribution shows up so often in IB Maths AI and what examiners want you to understand about it.

Learn why IB Maths AI students wrongly assume independence in probability and how this mistake leads to consistent mark loss.

Learn why IB Maths AI students forget to sketch normal distributions and how this simple step protects interpretation marks.

Standard deviation confuses IB Maths students. Learn why it’s harder to interpret than the mean and how exams assess it.

Box plots reveal more than averages in IB Statistics. Learn why IB values them and how to interpret them correctly.

Understand why IB Maths AI students misinterpret the 90th percentile and how clearer explanations earn interpretation marks.

Learn why strong correlation does not guarantee accurate predictions in IB Maths AI and how to explain this clearly in exams.

Learn why IB Maths AI students mistake probability for certainty and how this misunderstanding costs interpretation marks.

Learn why IB Maths AI students confuse quartiles and percentiles and how to clearly distinguish them in exams.

Explore why probability feels uncomfortable for IB Maths AI students and how uncertainty is deliberately built into exam questions.

Learn why overconfident predictions lose marks in IB Maths AI and how cautious reasoning earns higher interpretation scores.