1. Chapter 15 Class 11 Statistics (Term 1)
  2. Serial order wise
  3. Ex 15.2

Ex 15.2, 8 - Chapter 15 Class 11 Statistics (Term 1)

Last updated at May 29, 2018 by

Ex 15.2, 8 - Find mean, variance - Chapter 15 Class 11 Statistics - Standard deviation and variance - Continuous frequency (grouped data)

Advertisement

Ex 15.2, 8 - Chapter 15 Class 11 Statistics - Part 2

Advertisement

  1. Chapter 15 Class 11 Statistics (Term 1)
  2. Serial order wise

    3. Ex 15.2

    Ex 15.3 →

Transcript

Ex 15.2, 8 Find the mean and variance for the following frequency distribution. ( )^2 = 6600 N = = 50 Variance (" " ^2) = 1/ ( )^2 = 1/50 6600 = 132

Chapter 15 Class 11 Statistics (Term 1)
Serial order wise

About the Author

Davneet Singh's photo - Teacher, Engineer, Marketer
Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 10 years. He provides courses for Maths and Science at Teachoo.