Standard Deviation Calculator 📉

About Standard Deviation

Measure the amount of variation or dispersion in a set of values. Calculate both Sample and Population standard deviation.

Features

• Sample Standard Deviation (s).
• Population Standard Deviation (σ).
• Variance calculation.
• Mean (Average) calculation.

How to Use

1. Select Sample or Population mode.
2. Enter numbers separated by commas.
3. Click Calculate.

Difference

• Sample: Divides by (n-1) - Use when data is a sample
• Population: Divides by n - Use when data is the entire population