Standard Deviation Calculator
Calculate standard deviation, variance, mean, and other descriptive statistics.
Enter Your Data
10 values entered
12×15×18×22×25×28×30×35×40×45×
Calculation Type
Use when analyzing a sample from a larger population.
Data Distribution
Ad
Coursera Holi Offer
Build your AI fluency and get more done, faster. Get the AI skills employers are looking for and create 20+ solutions you can use at work, right away.
Start Learning
Sample Standard Deviation
0
s = √(Σ(xᵢ - μ)² / N-1)
Mean (μ)
0
Variance
0
CV
0%
Count
0
Median
0
Mode
None
Range
0
Min
0
Max
0
Documentation
Understanding Standard Deviation
Standard deviation is a measure of how spread out numbers are from their average. A small SD means data points are close to the mean; a large SD means they are more spread out.
Population SD
Sample SD
Variance
Frequently Asked Questions
Sponsored