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Standard Deviation Calculator
Calculate standard deviation and variance
14.14
Population SD (σ)
15.81
Sample SD (s)
200
Population Variance
250
Sample Variance
30
Mean
5
Count
How it works
- Calculates both population and sample standard deviation
- Shows variance, mean, and count
- Population SD divides by N, Sample SD divides by N-1
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Read the complete guide with examples and tips
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