Summary Statistics Calculator

The standard deviation is a common way to measure how “spread out” data values are.…

The Empirical Rule, sometimes called the 68-95-99.7 rule, states that for a given dataset with…

Skewness is a measure of the asymmetry of a dataset or distribution. This value can…

An outlier is defined as any observation in a dataset that is 1.5 IQRs greater…

This calculator automatically finds the interquartile range for a given dataset. Simply enter the comma-separated…