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Top suggestions for How to Estimate the Variance
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How to Estimate the
Correlation
How to Estimate
Range
How to Estimate the
Sum
How to Estimate
Mean
How to Estimate the
Proportion
How to
Find the Variance
How to
Find Sample Variance
How to Estimate the
Standard Deviation
8:05
Khan Academy
Sal Khan
Variance of a population
Population variance is a measure of how spread out a group of data points is. Specifically, it quantifies the average squared deviation from the mean. So, if all data points are very close to the mean, the variance will be small; if data points are spread out over a wide range, the variance will be larger.
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