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Difference between revisions of "Pearson Chi-Square"

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<math>chi^2 = \sum_{ij} \frac {(f_{ij}-e_{ij})^2}{e_{ij}}</math> where <math> e_{ij}= \frac {(row i total)(column j total)}{n}</math>
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<math>\chi^2_{\text{ob}} = \sum_{ij} \frac {(f_{ij}-e_{ij})^2}{e_{ij}}</math>, where <math>e_{ij}= \frac {\text{(row i total)(column j total)}}{n}</math>
  
  
 
<noinclude>[[Category:Equations]]</noinclude>
 
<noinclude>[[Category:Equations]]</noinclude>

Latest revision as of 07:37, 7 July 2011

<math>\chi^2_{\text{ob}} = \sum_{ij} \frac {(f_{ij}-e_{ij})^2}{e_{ij}}</math>, where <math>e_{ij}= \frac {\text{(row i total)(column j total)}}{n}</math>