Question 1
A correlation coefficient of 0 indicates what about the relation between two variables?
◦ The two variables are directly related.
◦ The two variables are inversely related.
◦ The two variables are completely unrelated.
◦ This coefficient indicates which variable was the "cause" and which the "effect."
Question 2
A correlation of .82 was found between the number of hours studied and final exam scores. This means that
◦ students who studied less received higher exam scores.
◦ students who studied less received lower exam scores.
◦ studying caused students to receive higher exam scores.
◦ the amount of studying was unrelated to exam scores.