An Assumption for a Significance Test of the Correlation Coefficient

Multiple Choice

An assumption for a significance test of the correlation coefficient is that in the populations,

A) the variance of each variable is the same.
B) the variance of the deviation scores for each variable is the same.
C) the variance of each variable is the same at each point of the other variable.
D) the variance of the squared deviations of each variable is the same at each point of the distribution of the squared deviations of the other variable.