Question:

If two variables are highly correlated, what do you know

A.

that they always go together

B.

that high values on one variable lead to high values on the other variable

C.

that there are no other variables responsible for the relationship

D.

that changes in one variable are accompanied by predictable changes in the other

Answer» d. that changes in one variable are accompanied by predictable changes in the other

Question:

The correlation coefficient is used to determine:

A.

a specific value of the y-variable given a specific value of the x-variable

B.

a specific value of the x-variable given a specific value of the y-variable

C.

the strength of the relationship between the x and y variables

D.

none of these

Answer» c. the strength of the relationship between the x and y variables