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Skip to content# Tag: variance

link to Difference Between Sample & Population Standard Deviation link to Variance (7 Common Questions Answered)

Standard deviation is used often in statistics to help us describe the spread of a data set (dispersion about the mean). If we cannot poll the entire population, we can use a sample to estimate...

Variance is used in probability and statistics to help us find the standard deviation of a data set. Knowing how to calculate variance is helpful, but it still leaves some questions about this...