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

Ex 15.2, 8 - Chapter 15 Class 11 Statistics

Last updated at May 29, 2018 by

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

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

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

Chapter 15 Class 11 Statistics
Serial order wise

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