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Standard Deviation Calculator
Calculate the mean, variance, and standard deviation of a dataset with population and sample formulas.
8 values entered
Standard Deviation (Sample)
5.2372
Population Std Dev
4.8990
Mean
18.0000
Count
8
Min
10.0000
Max
23.0000
Range
13.0000
Variance
Population: 24.0000
Sample: 27.4286
Data Distribution Summary
Values: 10.00, 12.00, 23.00, 23.00, 16.00, 23.00, 21.00, 16.00
Spread: 10.0000 – 23.0000 (range: 13.0000)
Typical value (mean): 18.0000 ± 5.2372 (1 SD)