Sample-Size Formulae for Parameter Estimation Academic Article uri icon

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abstract

  • Formulae are presented for calculating sample-size requirements when the purpose of the study is to estimate the magnitude of a parameter rather than to test an hypothesis. Formulae are given for the mean, a proportion, and correlation, for the slope, intercept, value of Ȳ, and Y for a given value of X in multiple regression, and for the odds and risk ratios.

publication date

  • February 1994