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AIHL: graph theory
This topic explores key graph theory algorithms used to solve routing and network problems. Students learn about walks, trails, paths, circuits and cycles in undirected…
Join this sessionComplete Topic 4 Revision SL material
End-to-end review of descriptive statistics (population/sample, reliability, outliers, sampling methods), presentation of data (tables, histograms, cumulative frequency, box & whisker), central tendency & dispersion (mean,…
Join this sessionStatistics: Descriptive, Bivariate & Hypothesis Tests SL material only
From data collection & sampling to visualization (histograms, CF graphs, boxplots), through measures (mean, median, mode, IQR, SD, variance) and effects of constant changes. Develop…
Join this sessionProbability SL material
trial/outcome, sample spaces, relative frequency; Venn & tree diagrams; combined events (A∪B, A∩B), mutual exclusivity, conditional probability P(A|B) and independence P(A∩B)=P(A)P(B). Includes simulations and contextual…
Join this sessionHypothesis Testing SL material
Build confidence with H₀/H₁, significance levels, expected vs observed, χ² test for goodness-of-fit and independence (contingency tables, df, critical values). Interpret p-values, compare to α,…
Join this sessionProbability Distributions SL material
Discrete random variables & expected value, binomial distribution (model contexts, mean/variance by technology), and the normal distribution (properties, probabilities, inverse normal). Practice calculator workflows and…
Join this sessionHigher Level Extension — Statistics & Probability
Advanced HL concepts in probability theory, distributions, and inference. Includes conditional distributions, continuous random variables, expected values, covariance, and extended hypothesis testing with interpretation of…
Join this sessionFull Topic 5 Review — Calculus SL materia
A complete overview of differential and integral calculus, covering limits, derivatives, anti-derivatives, optimization, and area under curves. Perfect for students preparing for final exams or…
Join this sessionDifferential Calculus SL material
Focus on differentiation and its applications — rate of change, gradients, tangents, normals, increasing and decreasing functions, and real-world optimization contexts. Includes graphing tools and…
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