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

Ex 15.2, 3 - Chapter 15 Class 11 Statistics

Last updated at May 29, 2018 by

Ex 15.2, 3 - Find mean, variance for first 10 multiples of 3 - Standard deviation and variance - Ungrouped data

Slide5.PNG

  1. Chapter 15 Class 11 Statistics
  2. Serial order wise
    3. Ex 15.2
    Ex 15.3 →
Ask Download

Transcript

Ex 15.2, 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= .

Chapter 15 Class 11 Statistics
Serial order wise

About the Author

Davneet Singh's photo - Teacher, Computer Engineer, Marketer
Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 8 years. He provides courses for Maths and Science at Teachoo. You can check his NCERT Solutions from Class 6 to 12.