SL 4.1—Introduction to Statistics
SL 4.2—Presentation of data
SL 4.3—Mean, median, and mode
SL 4.4—Correlation of Data
SL 4.5—Trial and outcome
SL 4.6—Venn diagrams
SL 4.7—Discrete random variables
SL 4.8—Binomial distribution
SL 4.9—Normal distribution
SL 4.10—Spearman’s rank correlation coefficient
SL 4.11—Expected, observed, hypotheses, chi squared, gof, t-test
AHL 4.12—Data collection, reliability and validity tests
AHL 4.13—Non-linear regression
AHL 4.14—Linear transformation of a single RV, E(X) and VAR(X), unbiased estimators
AHL 4.15—Central limit theorem
AHL 4.16—Confidence intervals
AHL 4.17—Poisson distribution
AHL 4.18—T and Z test, type I and II errors
AHL 4.19—Transition matrices – Markov chains