• Entry
  • Reader's guide
  • Entries A-Z
  • Subject index

The deviation score is the difference between a score in a distribution and the mean score of that distribution. The formula for calculating the deviation score is as follows:

None

where

X(called “X bar”) is the mean value of the group of scores, or ...

    • Loading...
    locked icon

    Sign in to access this content

    Get a 30 day FREE TRIAL

    • Watch videos from a variety of sources bringing classroom topics to life
    • Read modern, diverse business cases
    • Explore hundreds of books and reference titles