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Signed Rank test or Wilxocon's Signed rank test
Автор: Keinerugaba Nicholas
Загружено: 2023-12-01
Просмотров: 38
Описание:
Under the assumptions required by the signed rank test, 𝑻^+is value of a random variable with mean 𝜇=(𝑛(𝑛+1))/4 and the variance
𝜎^2=(𝑛(𝑛+1)(2𝑛+1))/24
Prove ?
Signed Rank test is an alternative for signed test to cater for wastefulness of data sine it considers the magnitude of the difference. This is based on ;
𝑇^+ is the sum of the ranks assigned to the positive differences
𝑇^− sum of the ranks assigned to the negative differences,
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