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Manuals/calci/CHIDIST (view source)
Revision as of 06:03, 26 November 2013
, 06:03, 26 November 2013→Description
#Each observations should not be dependent
#Each observations should not be dependent
#All expected values should be 10 or greater.
#All expected values should be 10 or greater.
*The test statistic is:
*The test statistic is:
<math>\chi^2=\sum\frac{(Oi-Ei)^2}{Ei}</math>
<math>\chi^2=\sum\frac{(Oi-Ei)^2}{Ei}</math>
The degrees of freedom are: <math>(r–1)(c–1)</math>
The degrees of freedom are: <math>(r–1)(c–1)</math>
*r = No. of rows
*r = No. of rows