Multiple Choice
The point-biserial correlation coefficient is a measure of the direction and strength of the linear relationship between two variables,where ______.
A) one is continuous, and one is dichotomous
B) both variables are on an ordinal scale
C) one is at interval level or higher and one is ordinal
D) both variables are on a nominal scale
Correct Answer:
Verified
Correct Answer:
Verified
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