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- McKay's_approximation_for_the_coefficient_of_variation abstract "In statistics, McKay's approximation of the coefficient of variation is a statistic based on a sample from a normally distributed population. It was introduced in 1932 by A. T. McKay. Statistical methods for the coefficient of variation often utilizes McKay's approximation.Let , be independent observations from a normal distribution. The population coefficient of variation is . Let and denote the sample mean and the sample standard deviation, respectively. Then is the sample coefficient of variation. McKay’s approximation isNote that in this expression, the first factor includes the population coefficient of variation, which is usually unknown. When is smaller than 1/3, then is approximately chi-square distributed with degrees of freedom. In the original article by McKay, the expression for looks slightly different, since McKay defined with denominator instead of . McKay's approximation, , for the coefficient of variation is approximately chi-square distributed, but exactly noncentral beta distributed .".
- McKay's_approximation_for_the_coefficient_of_variation wikiPageID "40606577".
- McKay's_approximation_for_the_coefficient_of_variation wikiPageRevisionID "584616794".
- McKay's_approximation_for_the_coefficient_of_variation subject Category:Statistical_deviation_and_dispersion.
- McKay's_approximation_for_the_coefficient_of_variation comment "In statistics, McKay's approximation of the coefficient of variation is a statistic based on a sample from a normally distributed population. It was introduced in 1932 by A. T. McKay. Statistical methods for the coefficient of variation often utilizes McKay's approximation.Let , be independent observations from a normal distribution. The population coefficient of variation is . Let and denote the sample mean and the sample standard deviation, respectively.".
- McKay's_approximation_for_the_coefficient_of_variation label "McKay's approximation for the coefficient of variation".
- McKay's_approximation_for_the_coefficient_of_variation sameAs m.0xp8tq5.
- McKay's_approximation_for_the_coefficient_of_variation sameAs Q17141637.
- McKay's_approximation_for_the_coefficient_of_variation sameAs Q17141637.
- McKay's_approximation_for_the_coefficient_of_variation wasDerivedFrom McKay's_approximation_for_the_coefficient_of_variation?oldid=584616794.
- McKay's_approximation_for_the_coefficient_of_variation isPrimaryTopicOf McKay's_approximation_for_the_coefficient_of_variation.