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Learn in your speed, with individual attention - Teachoo Maths 1-on-1 Class


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Example 9 Find the variance and standard deviation for the following data: First we will calculate mean Now, finding variance 2 = 1374 =30 Variance ( 2) = 2 = 1374 30 = 45.8 Standard deviation ( ) = 45.8 = 6.76

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Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.