The Pearson correlation cannot be used to determine the relationship between two variables when _____.
A)both variables are quantitative and on an interval level
B)both variables are measured on the same individuals and are on a ratio level
C)one variable is quantitative and the other is qualitative in nature with three or more levels
D)none of these are exceptions,it can be used in all of these cases

Question

Quizplus · Accepted Answer

The Pearson correlation can only be used when both variables are quantitative and on an interval or ratio level. When one variable is qualitative with three or more levels, it is not appropriate to use Pearson correlation. In such cases, other methods such as chi-square or ANOVA should be used instead.

The Pearson Correlation Cannot Be Used to Determine the Relationship