Exact Critical Values for Bartlett's Test for Homogeneity of Variances

Exact Critical Values for Bartlett's Test for Homogeneity of Variances

Consider n normal populations. Random samples of equal size m are taken from each population. It is desired to use the Bartlett procedure to test at level α the hypothesis of equal variances. A method is presented to provide exact critical values of the Bartlett test statistic. Computed exact critic...

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Veröffentlicht in:Journal of the American Statistical Association 1976-06, Vol.71 (354), p.488-490
1. Verfasser: Glaser, Ronald E.
Format: Artikel
Sprache:eng
Schlagworte:
Approximation
Arithmetic mean
Critical values
Degrees of freedom
Geometric mean
Population size
Random sampling
Sampling distributions
Statistical discrepancies
Theory and Methods
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Beschreibung
Zusammenfassung:Consider n normal populations. Random samples of equal size m are taken from each population. It is desired to use the Bartlett procedure to test at level α the hypothesis of equal variances. A method is presented to provide exact critical values of the Bartlett test statistic. Computed exact critical values are tabulated for various (n, d, α), where d = m - 1 denotes the common number of degrees of freedom.
ISSN:0162-1459
1537-274X
DOI:10.1080/01621459.1976.10480374