Nov 4, 2025 · Calculates variance and standard deviation for a data set. Calculator finds variance, the measure of data dispersion, and shows the work for the calculation.

Sep 10, 2025 · Calculate percentage variance between an original value and a new value, or solve for either value when the variance percentage is known.

The variance calculator is a great educational tool that teaches you how to calculate the variance of a dataset. The calculator works for both population and sample datasets.

4 days ago · Use this free variance calculator to compute sample variance or population variance. It also shows you how to find the variance of your data step-by-step.

Use the variance calculator to compute both sample variance and population variance, complete with a step-by-step solution, and then present the results in APA format.

A statistics calculator to find the variance and standard deviation of a dataset. Works for both sample and population data, with steps shown.

Calculate variance (population or sample). Variance is the average of squared deviations from the mean.

Calculate sample and population variance with step-by-step explanations for different use cases.

Given a discrete data set representing a sample or a population, the calculator calculates the mean, variance, and standard deviation and displays the workflow involved in the …

Free online tool to calculate the variance of a data set. Easily calculate sample and population variance.