Math

Standard Deviation Calculator

Compute population and sample standard deviation and variance for a dataset.

Inputs

Comma-separated numbers.

Result
Sample SD (s)
2.13809
Population SD (σ)2
Sample variance4.571429
Population variance4
Mean5
Count8
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What is X% of Y, and other common percentage problems.

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Solve A:B = C:? proportions.

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Area of rectangles, triangles, circles & trapezoids.

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Volume of boxes, cylinders, spheres and cones.

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