Statistics Calculator: Dispersion

Instructions

This calculator computes the following values from a data set:

Measures of central tendency

• Pythagorean means
  • Arithmetic mean
  • Geometric mean
  • Harmonic mean
• Median
• Mode

Measures of dispersion

• Standard deviation
• Variance
• Mean absolute deviation (MAD)
• Range
• Interquartile range

• First and second Quartiles (Q₁ and Q₃)

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.