Standardizing Sets

Standardizing a set of observations means substracting the mean from each observation and dividing it by the standard deviation.


The mean is:

The standard deviation is:

The standarized values of each observation are then:

As an exercise, substitute Ybar and sd into the above equation.


Primary Author: Nicholas M. Short, Sr. email:

Collaborators: Code 935 NASA GSFC, GST, USAF Academy
Contributor Information
Last Updated: September '99

Webmaster: Bill Dickinson Jr.
Site Curator: Nannette Fekete

Please direct any comments to


  Next Previous Table of Contents Previous