Mean & Standard Deviation Calculator

Calculate mean, variance, and standard deviation with full step-by-step mathematical breakdown.

Enter Data (Comma or space separated) Calculation Type

Sample Population

Mean (Average)

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SD (σ / s)

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Variance

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Step-by-Step Calculation Table

Value (x)	(x - Mean)	(x - Mean)²
Sum: -	0	Sum of Squares: -

Enter your numbers on the left to see the statistical analysis.