Question 1 - Point Bi-Serial Correlation — numerical + dichotomous, analogy to Pearson r Practice | Prasnya
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Association Between Two Variables - Association Between Two...
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Question 1
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Which of the following statement(s) is/are true about the Point Bi-serial correlation coefficient?
Multiple correct
Medium Difficulty
15 March 2026
A
It is the measure of association between one numerical variable and one binary categorical variable.
B
It is the measure of association between two nominal categorical variables.
C
It is the measure used only when both variables are continuous.
D
It is a special case of the Pearson correlation coefficient.
