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

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

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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

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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.