chi square
noun Statistics.
a quantity equal to the summation over all variables of the quotient of the square of the difference between the observed and expected values divided by the expected value of the variable.
Origin:
1935–40
1935–40
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
Cite This Source
Based on the Random House Dictionary, © Random House, Inc. 2013.
Cite This Source
|
Link To chi square
American Heritage
Medical Dictionary
chi-square n.
A test statistic that is calculated as the sum of the squares of observed values minus expected values divided by the expected values.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
00:10
Chi square
is always a great word to know.
So is quincunx. Does it mean:
| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |
| a scrap or morsel of food left at a meal. |
American Heritage
Science Dictionary
chi-square  (kī'skwâr') Pronunciation Key
A test statistic that is calculated as the sum of the squares of observed values minus expected values divided by the expected values. |
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
Matching Quote
Nearby Words
Copyright © 2013 Dictionary.com, LLC. All rights reserved.
