Variance and SD Calculator

Part of the Descriptive Statistics- Calculate the sample and population variance- Calculate the sample and population standard deviation- Calculate the mean deviation- Calculate the Correlation Coefficient, Standard Error and the Confidence Intervals of the mean.The variance indicates the variability of a data set with respect to the mean.The Standard Deviation indicates how much this is separated from a data set from the mean.Contains topics, formulas, and graphs of variance and standard deviation.