Which, if any, is not a characteristic necessary for obtained values of chi-square to be distributed according to the tabled values of the chi-square distribution?
A) expected frequencies must be equal for all groups
B) the null hypothesis must be true
C) sampling must be random
D) all of the above must be true

Question

Quizplus · Accepted Answer

The expected frequencies do not need to be equal for all groups; they just need to be sufficiently large (usually at least 5) for the chi-square approximation to be valid.

Which, If Any, Is Not a Characteristic Necessary for Obtained