Variance calculator
Calculate the variance of your dataset to measure how spread out the values are from the mean.
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How to calculate variance
- Enter your numeric data directly into the data table or upload a CSV file
- Use the "Select Data Column" control to choose which column of data to analyze
- The calculator will automatically compute both population and sample variance
- View the mean value and other statistical measures
- Examine the visualization to understand the data distribution and spread
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