chi-square test: Meaning and Definition of

chi'-square test"

Pronunciation: (kī'skwârd"). [key]
— Statistics. Statistics.
  1. a test devised by Karl Pearson that uses the quantity chi-square for testing the mathematical fit of a frequency curve to an observed frequency distribution.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.