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- Title
Analysis of Two Independent Samples with Non Normality Using Non Parametric Method, Data Transformation and Bootstrapping Method.
- Authors
Ng Chong Guan; Yusoff, Muhamad Saiful Bahri; Zainal, Nor Zuraida; Low Wah Yun
- Abstract
The article reports a study which compared three statistical methods, Mann Whitney test, logarithm data transformation and bootstrapping method in the analysis of dataset extracted from a study conducted in a psychiatric ward. The results revealed that all three methods give similar result in hypothesis testing for comparison of two independent samples with non normality. However, the bootstrapping method allows researchers to estimate confidence intervals for statistic.
- Subjects
MALAYSIA; STATISTICS methodology; ACADEMIC medical centers; COMPARATIVE studies; CONFIDENCE intervals; SCALES (Weighing instruments); STATISTICS; T-test (Statistics); U-statistics; DATA analysis; DESCRIPTIVE statistics
- Publication
International Medical Journal, 2012, Vol 19, Issue 3, p218
- ISSN
1341-2051
- Publication type
Article