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σ Variance & Standard Deviation Calculator
Data Points (separated by commas or spaces)
1, 2, 3, 4, 5
Calculation Type
Sample (divide by n-1)
Population (divide by n)
Calculate
Mean
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Variance
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Standard Deviation
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Count
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Formula Used
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Variance measures how far each number in the set is from the mean. Standard deviation is the square root of the variance.