Sample Size Formulas for Normal Theory<i>T</i>Tests
The American StatisticianPublished 1 November 1981
William C. Guenther
Citations49
SJR quartileQ1
SJR score0.78
SNIP1.50
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ObjectiveStudy objective
MethodsResearch methodology
PopulationPopulation studied
Sample sizeSample sizes
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Abstract
Abstract Formulas that yield minimum sample size for standard T tests are presented. Although the results are approximations, they usually yield the exact solution. Involving only standard normal quantiles, they could be used in an elementary course.
Keywords
Mathematics
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