✔️ Confidence Interval
= provides a confidence level (= 🎲 Probability that next measurement lies inside) for a range of values of an unknown parameter
🧪 Formula
X: estimate of population mean σ: standard deviation (if unknown → estimated SD) N: number of samples
📖 Example:
![[CleanShot 2021-05-04 at 13.45.54@2x.png|500]]