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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.

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Statistical Inference for a Ratio of Dispersions Using Paired Samples

Bonett, Douglas G., Seier, Edith 01 January 2003 (has links)
Wilcox (1990) examined the Type I and Type II error rates for several robust tests of H0: σ12/σ22 = 1 in paired-data designs and concluded that a satisfactory solution does not yet exist. A confidence interval for a ratio of correlated mean absolute deviations is derived and performs well in small sample sizes across realistically nonnormal distributions. When used to test a hypothesis, the proposed confidence interval is almost as powerful as the most powerful test examined by Wilcox.
Box-Scheffé test
directional two-sided hypothesis
finite-interval hypothesis
matched-pairs designs
mean absolute deviation from median
morgan-pitman test
repeated-measures designs
variability
within-subjects designs
Mathematics and Statistics

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