ADescribing data3 lessons

• 1Types of dataWhat type of data is this?
• 2Centre, shape and spreadWhat shape are these stays?
• 3Standard errorHow sure is the mean?

BTesting ideas5 lessons

• 4Hypothesis testingCould this be chance?
• 5Testing a differenceSame gap, different p
• 6Confidence intervals and pHow big is the effect?
• 7Type I and type II errorsCould the verdict be wrong?
• 8Power and sample sizeHow many people did the trial need?
• 9Choosing the right testComing soon

15 more statistics topics planned

• Correlation and regression
• Survival analysis
• Adjusting for confounders
• Incidence and prevalence
• Risk and odds
• NNT and NNH
• Sensitivity and specificity
• Predictive values
• Likelihood ratios
• Screening
• Study designs
• Bias and confounding
• Clinical trials
• Systematic reviews and meta-analysis
• Health economics