There are six <statistical degrees of freedom>, so the supplied 1% <critical value> is $q_6=16.81$. Since $42.25>16.81$, \b[reject <independence> at the 1% <significance level>]. The data give strong evidence of an association between the two consumption classifications in this group of participants.

Solution

Past exam of the options I course of the University of Oxford / 2005 / O / 1 / iii / Solution

 Solution (source code)