No. of observations = 100
Mean of them = 50
Sum of observations = 100 × 50 = 5000
It is given that one of observation 50, is replaced by 150.
New sum = 5000 – 50 + 150 = 5100.
Resulting mean =
Rate this question :
How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Frequency Distribution Table58 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