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Confidence Intervals and Tests of Hypotheses on Variance Components in an Unbalanced Two-fold Nested Design

โœ Scribed by Ramon P. Hernandez; Richard K. Burdick; Nancy J. Birch

Publisher
John Wiley and Sons
Year
1992
Tongue
English
Weight
747 KB
Volume
34
Category
Article
ISSN
0323-3847

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โœฆ Synopsis

Confidence intervals and tests of hypotheses on variance components are required in studies that employ a random effects design. The unbalanced random two-fold nested design is considered in this paper and conlidence intervals are proposed for the variance components u : and u;. Computer simulation is used to show that even in very unbalanced designs, these intervals generally maintain the stated confidence coefficient. l h e hypothesis test for ui based on the lower bound of the recommended confidence interval is shown to be better than previously proposed approximate tests.

๐Ÿ“œ SIMILAR VOLUMES

Confidence Intervals on the Total Varian
Confidence Intervals on the Total Variance in an Unbalanced Two-fold Nested Design
โœ Ramon P. Hernandez; Richard K. Burdick ๐Ÿ“‚ Article ๐Ÿ“… 1993 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 411 KB ๐Ÿ‘ 1 views

Confidence intervals on the total variance in an unbalanced random two-fold nested design are constructed and compared. Computer simulation indicates the proposed intervals provide confidence coeflicients that are generally close to the stated level.