Premium
Power comparisons of single‐sample winsorized T, trimmed T and student's T
Author(s) -
Yuen Karen K.
Publication year - 1975
Publication title -
canadian journal of statistics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.804
H-Index - 51
eISSN - 1708-945X
pISSN - 0319-5724
DOI - 10.2307/3315100
Subject(s) - truncated mean , statistic , statistics , power (physics) , sample (material) , medicine , mathematics , physics , quantum mechanics , estimator , thermodynamics
The objective of this study is to evaluate the performance of Winsorized t which was proposed to be used as one alternative to the student's t statistic when the parent population is non‐normal. The criterion we use is the power of the test. Comparative performance of the Winsorized t, trimmed t, and Studen$tCs t for normal populations and for Studen$tCs t distribution with 8, 4, and 2 degrees of freedom was investigated.