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Standard Deviation Calculator

Calculate mean, median, mode, variance, and standard deviation with step-by-step solutions.

Calculator

Calculate statistics for any dataset with step-by-step solutions.

Enter Data

8 numbers detected

Count (N)

Sum

144

Mean

Median

18.5

Mode

Min

Max

Range

Pop. Variance (σ²)

Sample Variance (s²)

27.428571

Pop. Std Dev (σ)

4.898979

Sample Std Dev (s)

5.237229

Value

10, 12, 16, 16, 21, 23, 23, 23