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MHT CET202210 Aug 2022Morning ShiftMathematicsProbabilityActual

For given data N=60, X^2=18000 and X=960 , then variance of data is

Options

  1. A54
  2. B34
  3. C22
  4. D44

Correct answer

D. 44

Step-by-step solution

Variance = x^2 N - ( x N )^2= 18000 60 - ( 960 60 )^2=300-256=44

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