Approximating Probability Levels for Testing Null Hypotheses with Noncentral F Distributions.

Fowler, Robert L.

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Peer reviewed

ERIC Number: EJ302090

Record Type: Journal

Publication Date: 1984

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Approximating Probability Levels for Testing Null Hypotheses with Noncentral F Distributions.

Fowler, Robert L.

Educational and Psychological Measurement, v44 n2 p275-81 Sum 1984

This study compared two approximations for normalizing noncentral F distributions: one based on the square root of the chi-square distribution (SRA), the other derived from a cube root of the chi-square distribution (CRA). The CRA was superior, and generally provided an excellent approximation for noncentral F. (Author/BW)

Descriptors: Estimation (Mathematics), Hypothesis Testing, Mathematical Formulas, Probability, Statistical Distributions, Statistical Significance

Publication Type: Reports - Research; Journal Articles

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Language: English

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