Standard Deviation Calculator
Calculate standard deviation and variance to measure data spread. Supports both population and sample calculations with step-by-step details.
How to Use
Enter Data
Enter numbers separated by commas
Calculate
Standard deviation is calculated automatically
Check Results
Check standard deviation and variance
Features
Two Types
Population and sample standard deviation
Calculation Steps
Show deviations and squared deviations
Extra Stats
Also show variance, mean, range
FAQ
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