**Use this calculator to compute statistical data from a set of numerical values.**

This calculator computes the following values from a data set:

- First and second Quartiles (Q
_{1}and Q_{3})

Specify whether the data is for an entire population or from a sample. Enter your population or sample observed values in the box below. Values must be numeric and separated by commas, spaces or new-line. You may also copy and paste data into the text box. Press the "Calculate" button to perform the computation. To clear the calculator and enter a new data set, press "Reset".

To display a box and whisker diagram of your data, select Box plot.

Please report any bugs or feedback using the feedback link at the bottom of the page.