Q. 54.5( 4 Votes )
Calculate the mea
Answer :
For equal class intervals, we will solve by finding mid points of these classes using direct method.
We have got
Σfi = 40 & Σfixi = 1980
∵ mean is given by
⇒
⇒
Thus, mean is 49.5
Rate this question :
How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Related Videos
Arithmetic Progression and 'nth' Term of AP55 mins
Chemical Properties of Metal and Non Metal61 mins
Extraction of Metal56 mins
Purification of Metals60 mins
Properties of Metal and Non Metal59 mins
Introduction of Metal and Non Metal59 mins
Trigo Marathon Part 245 mins
Application of Trigo Important Questions44 mins
Trigo Marathon Part 146 mins
Heights and Distances - I54 mins




















Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
view all courses
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation

