Statistics
General
- S1 glossary of terms (web page)
Correlation & regression
- Scatter diagrams, correlation coefficients and least squares regression (interactive Flash)
Data
- Coding (pdf notes)
- Coding (animation)
- Dispersion
- Stem & leaf diagrams (pdf notes)
- Interpolation (pdf notes)
- Relative Dispersion (pdf notes)
- Percentiles (pdf notes)
The normal distribution
- Deviations from the mean (pdf notes)
- Probabilities under a standard normal distribution (pdf worksheet)
- Probabilities under a normal distribution (pdf worksheet)
- Standard deviation from a normal distribution (pdf worksheet)
- The mean from a normal distribution (pdf worksheet)
- The normal distribution in words (pdf worksheet)
- Answers (web page)
Distributions
Probability
- The OR or union symbol (web page)
- The AND or intersection symbol (web page)
- Venn Diagrams (animation)
- The addition rule (pdf notes)
- The multiplication rule (pdf notes)
- Probability trees (pdf notes)
Random variables
- Discrete random variables - tutorial 1 (interactive Flash movie + quiz)
- Discrete random variables (random questions)
- Discrete random variables (pdf notes)
- Discrete cumulative distribution function (pdf notes)
- Expectation (pdf notes)
- Expectation of x squared (pdf notes)