chi–square

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noun, often attributive \ˈkī-ˈskwer\

Definition of chi–square

  1. :  a statistic that is a sum of terms each of which is a quotient obtained by dividing the square of the difference between the observed and theoretical values of a quantity by the theoretical value

1900

First Known Use of chi–square

1900


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WORD OF THE DAY

to decrease in size, extent, or degree

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