An assumption of the statistical test for the significance of r is that.
A)the variances of X and Y are equal
B)the means of the X and Y populations are equal
C)the X and Y scores are statistically independent
D)both the X and Y scores are normally distributed in the population sampled

Question

Quizplus · Accepted Answer

The assumption for the significance of r test is that both X and Y scores are normally distributed in the population sampled. Option A and B are assumptions for tests involving means, while option C is an assumption for tests involving correlation between two variables.

An Assumption of the Statistical Test for the Significance of R