Which Statement Is an Assumption That Should Be Met Before

Multiple Choice

Which statement is an assumption that should be met before hypothesis testing with the correlation coefficient?

A) The two variables should be significantly related to one another.
B) At least one of the variables is ordinal or nominal.
C) The variability in one variable should not be the same as the variability in the other variable.
D) Each variable should vary equally, regardless of the magnitude of the other variable.