Hypothesis testing: chi-squared and t-tests

We cover core workflows for 3 mandatory IB AI SL hypothesis tests: chi-squared goodness of fit, chi-squared independence, and one-sample t-tests, including hypothesis framing, GDC calculation, and mark-earning conclusion writing.

📖Study Guide

In-depth bilingual notes with worked past paper examples.

✍️Practice Exam

Timed practice questions with mark scheme grading. Coming soon.

🎴Flashcards

Spaced repetition for key concepts and definitions. Coming soon.

📊Visualizer Coming Soon

Interactive plots and diagrams to build intuition. Coming soon.

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