Multiple Choice
Under what circumstances is the point-biserial correlation used?
A) in the same circumstances when a repeated-measures t test would be used
B) when X consists of regular, numerical scores but Y is dichotomous
C) when both X and Y are dichotomous variables
D) when both X and Y are measured on an ordinal scale (ranks)
Correct Answer:
Verified
Correct Answer:
Verified
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