Statistics (university)
Probability, distributions, tests and regression. 8 parts, 67 concept cards and 67 flashcards. Each card explains one idea in plain English, with an analogy and an example.
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Looking up one word? Statistics (university) glossary, A to Z.
- Part 019 concepts
Describing data
Summarise a pile of numbers with averages, spread and shape.
- Part 028 concepts
Probability
Measure chance with rules for events, conditions and counting.
- Part 038 concepts
Random variables and discrete distributions
Turn random outcomes into numbers and model counts with standard distributions.
- Part 048 concepts
Continuous distributions and the normal curve
Model measurements with density curves, the uniform, the exponential and the bell curve.
- Part 058 concepts
Sampling and estimation
Learn about a whole group from a sample and say how sure you are.
- Part 069 concepts
Hypothesis testing
Decide whether data gives real evidence or just chance, using p-values and standard tests.
- Part 078 concepts
Comparing categories and many groups
Chi-square tests for counts, ANOVA for several means, ranks and effect size.
- Part 089 concepts
Correlation and regression
Measure how two variables move together and fit a line to predict one from the other.