Answer :

Let us first calculate the mid-values(xi) for each class-interval, By using the formula

By which, we get the following data

We know, that

Given, mean = 24

1920 + 24p = 1700 + 35p

11p = 220

p = 20

Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Related Videos
Heights and Distances-IHeights and Distances-IHeights and Distances-I45 mins
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
view all courses