Statistics & Probability
Sample Std Deviation
Standard deviation of a sample.
Formula
Formula
s = √s2
Variables
| Symbol | Definition | Type & range | Units | Role |
|---|---|---|---|---|
| s² | sample variance | computed result | — | result |
Try it yourself
Interactive calculator
Worked examples
Example 1
Givendata = 4, 8, 15, 16, 23, 42
Result13.49073756
Example 2
Givendata = 2, 4, 6
Result2