Illustrative and interactive statistics (stats) tutorials and calculators for healthcare workers, researchers, and students of science.
Research & Statistics Tools
- Test performance: 2 populations with different disease prevalance
- Research Classification
- A lesson on sample size
- p-chart parameters calculator
- What Statistic?
- Positive Predictive Value (PPV): What is it?
- Negative Predictive Values (NPV) – learn more
- The Relative Risk – What is it?
- Test Sensitivity: What is it?
- Two trials in different populations?
- Test Specificity – What is it?
- The Odds Ratio: Make sense of an “odd” statistic