Two-by-two contingency table
= Two-by-two contingency table
{title2=$2\times2$}
A two-by-two contingency table cross-classifies observations by two binary variables, producing four cell counts and two pairs of marginal totals.
= Two-by-two contingency table
{title2=$2\times2$}
A two-by-two contingency table cross-classifies observations by two binary variables, producing four cell counts and two pairs of marginal totals.