Two by two table analysis online. Including chi-square, odds ratio, risk ratio.


Two by two table analysis
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Give four positive integer numbers. Non decimal numbers larger than one.
	Col 1:	Col 2:
Row 1:
Row 2:
Width of C.I.:	%

Show Tables:
Association:

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Two by two tables provides you with various statistics and measures of association for comparing two dichotomous variables in a two by two table. It might concern for example comparing males and females in the proportion who fall in the groups low or high income and the likelihood of the difference in income being caused by chance. More....