Question

Below are the ages of husbands and wives prepare a bivariate frequency distribution with suitable width :

Here both are continuous variables form the class intervals as below :

Answer 1

Ages of Husbands: Highest age = 47, Lowest age = 25,

Difference = 22/(i) 5 width = 5. classes. 

Ages of wife: Highest age = 47, Lowest age = 21, Difference = 26/(i)5width = 6 (Approx.) classes.

Let X and Y be the ages of Husbands and ages of Wives.