Which of the Following Statements Is False

Which of the following statements is false?

A) The rejection region of the chi-square goodness-of-fit test has k-1 degrees of freedom, where k is the number of categories (called cells) .
B) The rejection region of the chi-square goodness-of-fit test is, where k is the number of categories andis the value of the test statistics.
C) The chi-square goodness-of-fit test involves two categorical variables.
D) The chi-square distribution is skewed to the right.
E) None of these.