Ex 13.2, 3 - Chapter 13 Class 11 Statistics

Last updated at May 7, 2024 by

Slide4.JPG

Slide5.JPG

Transcript

Ex 13.2, 3 Find the mean and variance for the first 10 multiples of 3 First 10 multiples of 3 are 3, 6, 9, 12, 15, 18, 21, 24, 27, 30 (xi )2=74.25 Variance ( )2 = ( (xi )2 " " )/ = 742.5/10= .

Go Ad-free
Davneet Singh's photo - Co-founder, Teachoo

Made by

Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.