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Variance Calculator

Calculate variance, standard deviation, and coefficient of variation at once. View both population and sample results simultaneously.

Data Input

Supports comma, space, or newline separated values

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How to Use

Step 1

Enter Data

Enter Data

Enter numerical data separated by commas or newlines

Step 2

Select Type

Select Type

Select population variance or sample variance

Step 3

Check Results

Check Results

Check calculated variance, standard deviation, and coefficient of variation

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Features

Population & Sample Variance

Calculate both population variance (รทN) and sample variance (รทN-1)

Related Statistics

Calculate and display mean, variance, SD, CV, and range at once

Calculation Steps

Display calculation steps including deviations and squared deviations

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FAQ

Standard deviation is the square root of variance. It's in the same units as the data, making it more intuitive to interpret.