Which of the following statistics is used to qualify the strength of the relationship between two variables?
A) z- value
B) standard error of the difference
C) Confidence interval
D) Correlation coefficient

Question

Quizplus · Accepted Answer

The correlation coefficient is specifically used to quantify the degree to which two variables are related. It measures the strength and direction of a linear relationship between two variables.

Which of the Following Statistics Is Used to Qualify the Strength