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.