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BITSAT2013MathematicsStatisticsActual

Find the variance of the data given below

Options

  1. A1.29
  2. B2.19
  3. C1.32
  4. DNone of these

Correct answer

C. 1.32

Step-by-step solution

Variance ²= f_ i (x_ i - x )² f_ i = 286.49 217 =1.32

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