Determinação da média aritmética e desvio padrão de quocientes de séries independentes e dependentes

Autores/as

  • J. T. A. Gurgel U. S. P.; E. S. A. Luiz de Queiroz
  • Frederico Pimentel Gomes U. S. P.; E. S. A. Luiz de Queiroz
  • A. P. Trivelin U. S. P.; E. S. A. Luiz de Queiroz

DOI:

https://doi.org/10.1590/S0071-12761958000100004

Resumen

The authors prove some approximate formulas for the computation of the mean and the standard error of quotients of two variates, correlated or uncorrelated, with not too high coefficient of variation. The formulas obtained are subsequently applied to some date on mensuration of horses of the Brazilian breed Mangalarga, by the eclectic system of LESBRE. The relsults obtained directly by the actual computation of the quotients as well as by means of the formulas with the aid of statistics of the numerators and the denominators are given in table 3, showing excellent agreement.

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Publicado

1958-01-01

Número

Vol. 14 (1958)

Sección

nao definida

Cómo citar

Gurgel, J. T. A., Gomes, F. P., & Trivelin, A. P. (1958). Determinação da média aritmética e desvio padrão de quocientes de séries independentes e dependentes. Anais Da Escola Superior De Agricultura Luiz De Queiroz, 14, 31-42. https://doi.org/10.1590/S0071-12761958000100004