Citation
Kamal, M. and Ali, N. M. and A. Rahmin, N.A.A. Rahmin and Ali, N.
(2022)
Comparing O’Brien test using mean, median, symmetric and asymmetric trimmed mean.
Menemui Matematik (Discovering Mathematics), 44 (1).
53 - 59.
ISSN 0126-9003
Abstract
The assumption of homogeneity of variances can be tested with O’Brien procedure since it is compatible with standard analysis of variance (ANOVA). The test is very sensitive to non-normality which lead to find the alternative technique by replacing the original test with the robust measure of location. This study will investigate the behaviour of O’Brien test on robustness by using the usual variances on mean, median, symmetric trimmed and asymmetric trimmed mean under normal distribution and skewed normal distributions. The results show that O’Brien test is robust when data is distributed at normal and skewed normal under certain simulation study condition.
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Additional Metadata
| Item Type: | Article |
|---|---|
| Divisions: | Centre of Foundation Studies for Agricultural Science |
| Publisher: | Malaysian Mathematical Sciences Society |
| Keywords: | ANOVA; O’Brien; Trimmed; Symmetric; Asymmetric |
| Depositing User: | Ms. Nur Faseha Mohd Kadim |
| Date Deposited: | 23 Aug 2023 03:41 |
| Last Modified: | 23 Aug 2023 03:41 |
| URI: | http://psasir.upm.edu.my/id/eprint/100748 |
| Statistic Details: | View Download Statistic |
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