Which of the Following Statements Regarding Contingency Tables Is FALSE

Which of the following statements regarding contingency tables is FALSE?

A) To generate the expected frequencies for each cell in a chi-square contingency table test, one need simply multiply the marginal frequencies and divide by the total number of cases.
B) The marginal total of a row in a chi-square contingency table test is determined as the product of the expected frequencies for that row.
C) In a contingency table test, the null hypothesis is that the variables of classification are independent.
D) The expected number of cases in each cell in a contingency table test rest on the assumption that the variables of classification are independent.
E) When the observations forming the cross tabulation are related as in a before-after experiment, the chi-square contingency table is not applicable.