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For a frequency distribution with mean 40, mode 34 and standard deviation 12, Karl Pearson's coefficient of skewness is

2503Medium DSSSB TGT Computer Science 0 replies 2 views
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For a frequency distribution with mean 40, mode 34 and standard deviation 12, Karl Pearson's coefficient of skewness is

  • A2
  • B0.5
  • C−0.5
  • D0.25
Correct answer: B

Explanation

Sk = (mean − mode) / standard deviation = (40 − 34) / 12 = 0.5, which shows a positively skewed distribution.
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