Question

Calculate Yule’s coefficient of Association between marriage and failure of students from the following data pertaining to 525 students.

	Passed	Failed
Married	90	65
Unmarried	260	110

Answer 1

Let A and B denotes Passed and Marriage, a and a denotes Failed and Unmarried. The 2 × 2 contingency table can be prepared as:

Note : In the above table figure in bold letter are adjusted figures. Yule’s Coefficient of Association:

There exists a low degree of negative association between pass (A) and (B) marriage.