Online Statistics Calculators

The following calculators for statistics are currently available on this site:

• Central tendency and dispersion

  Use these calculators to compute measures of location (mean, median, mode), and indices of dispersion (standard deviation, variance, mean absolute deviation, range and interquartile range).

• Box plot

  Use this utility to create box plots, aka box and whiskers diagrams from a set of observations.

• Linear regression

  The simple linear regression calculator derives and plots the line of best fit from a set of bivariate data.

• Sample correlation coefficient

  Calculate the correlation coefficient

• Scatter-plot generator

  Make scatter diagrams.

• Pythagorean means

  Calculate the three 'classic' means, known as Pythagorean means.