Example 12
Calculate mean, Variance and Standard Deviation for the following distribution.
125 ×4925
= 201
Finding Root of 201
Standard deviation (σ) = 201
(σ) = 14.17
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.