For which of these variables would you be interested in finding the biserial correlation coefficient rather than the point-biserial correlation coefficient?
A) Public limited companies or non-publicly listed companies.
B) Employees passing or failing their CIMA (accountancy qualification) exam.
C) Companies offering a pension scheme to their staff or not.
D) The provision of a company car for managerial positions or not.

Question

Quizplus · Accepted Answer

The biserial correlation coefficient is used when one variable is continuous and the other is dichotomous but assumed to be underlying a continuous distribution. In this case, passing or failing an exam can be considered as a dichotomous variable with an underlying continuous distribution of exam scores.

For Which of These Variables Would You Be Interested in Finding