Example 12 - Calculate mean, variance, standard deviation - Standard deviation and variance - Continuous frequency (grouped data)


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  1. Chapter 15 Class 11 Statistics
  2. Serial order wise


Example 12 Calculate mean, Variance and Standard Deviation for the following distribution. 1﷮25﷯ ×4925 = 201 Finding Root of 201 Standard deviation (σ) = ﷮201﷯ (σ) = 14.17

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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 9 years. He provides courses for Maths and Science at Teachoo.