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| Name: Glenn Level of question: University Who is asking: Forester/Biometrician Hi Math Central, What is the correct formula for coefficient of variation for a binomial distribution? Cheers, Glenn |
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Hi Glenn, The coefficient of variation is the standard deviation divided by the mean, and then usually multiplied by 100 to express it as a percentage. It is thus the standard deviation expressed as a percentage of the mean. The mean of the binomial distribution with parameters n and p is np and the standard deviation is which simplifies to Penny |
and thus the coefficient of variation is
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