When testing if two variables in a contingency table are independent, find the critical value if there are $5$ rows and $3$ columns, at the $=0\mathrm{.}05$ significance level.

$\backslash$chi $^2=15\mathrm{.}507$

$\backslash$chi $^2=18\mathrm{.}307$

$\backslash$chi $^2=23\mathrm{.}685$

$\backslash$chi $^2=24\mathrm{.}996$