Sample Variance Computing Formula Calculator
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Sample Variance Computing Formula Calculator. Add all data values and divide by the sample size n. The variance calculator finds the variance of a set of numbers.
It is calculated by taking the differences between each number in the set and the mean, squaring .
A sample is a selected number of items taken from a population. The solution is to take a sample of the population with manageable size, say 5,000, and use that sample to calculate statistics. Enter the observed values in the box . Calculate the mean (the average weight).