Browse syllabus-aligned notes for Statistics & Probability. Open each subtopic for focused explanations, examples, and summaries.
SL 4.1—Concepts, reliability and sampling techniques
1 subtopic
SL 4.2—Histograms, CF graphs, box plots
6 subtopics
SL 4.3—Mean, median, mode. Mean of grouped data, standard deviation. Quartiles, IQR
7 subtopics
SL 4.4—Pearsons, scatter diagrams, eqn of y on x
5 subtopics
SL 4.5—Probability concepts, expected numbers
4 subtopics
SL 4.6—Combined, mutually exclusive, conditional, independence, prob diagrams
SL 4.7—Discrete random variables
3 subtopics
SL 4.8—Binomial distribution
2 subtopics
SL 4.9—Normal distribution and calculations
SL 4.10—X on y regression line
SL 4.11—Conditional and independent probabilities, test for independence
SL 4.12—Z values, inverse normal to find mean and standard deviation
AHL 4.13—Bayes theorem
AHL 4.14—Properties of discrete and continuous random variables
8 subtopics
Number and Algebra
Functions
Geometry & Trigonometry
Statistics & Probability
Calculus