Statistics
Learn what data can and cannot tell you: the bell curve, sampling, confidence, testing and regression.
- Describing dataBoil a pile of numbers down to a few that matter.
- HistogramsSee the shape of your data.
- The normal distributionThe bell curve, and the rule that comes with it.
- Z-scoresHow unusual is this number?
- SamplingLearning about everything from a small part of it.
- The central limit theoremWhy averages are so well behaved.
- Confidence intervalsAn estimate with honest error bars.
- Hypothesis testsCould this have happened by luck?
- RegressionFit a line and use it to predict.
- Correlation is not causationThe most important warning in data analysis.
- Track quizFive questions. Get four right to finish the track.