If two variables are ratio scaled and the relationship is linear, what type of correlation coefficient is most appropriate?
A) Pearson r
B) Spearman rho
C) eta
D) phi

Question

Quizplus · Accepted Answer

Pearson r is the most appropriate correlation coefficient for ratio scaled variables with a linear relationship as it measures the strength and direction of the linear relationship between two variables. It assumes that both variables are normally distributed and there is a linear relationship between them, making it the best choice for this scenario.

If Two Variables Are Ratio Scaled and the Relationship Is