Experientia

, Volume 20, Issue 7, pp 413–414 | Cite as

Graphisches Rechnen auf normalem Wahrscheinlichkeitspapier

  • H. Žáček
Kurze Mitteilungen Cogitationes

Summary

On the basis of the graphical calculation of the confidence interval for the ratio of two standard deviations and of the standard error of the sum or difference of two independent random variables, the possibility is shown of an effective use of normal probability paper for other statistical calculations than the traditional estimation of mean and standard deviation or the checking of normality.

References

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    Erna Weber,Grundriss der biologischen Statistik, 4. Aufl. (VEB Gustav Fischer Verlag, Jena 1961), p. 109.Google Scholar
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    O. L. Davies et al.,Statistical Methods in Research and Production, 3. Aufl. (Oliver and Boyd, London and Edinburgh 1958), p. 58.Google Scholar
  3. 3.
    Wahrscheinlichkeitspapiere «Schleicher & Schüll Nr. 2981/2» bzw. «Schäfers Feinpapier Nr. 500» u.a.Google Scholar
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    R. Mehmke,Leitfaden zum graphischen Rechnen (B. G. Teubner, Leipzig und Berlin 1917), p. 2.Google Scholar
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    H. C. Hamaker, Naturw. Rundschau14, 331 (1961).Google Scholar
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    H. J. Henning undR. Wartmann, Ärztl. Forschung12, 60 (1958).Google Scholar
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    W. H. Abbott, Tooling and Production22, 86 (1956); nachR. S. Titchen et al.,Quality Control and Applied Statistics Yearbook 1956 (Interscience, New York und London 1956), p. 273.Google Scholar
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    O. L. Davies et al.,Statistical Methods in Research and Production, 3. Aufl. (Oliver and Boyd, London and Edinburgh 1958), p. 40.Google Scholar

Copyright information

© Birkhäuser Verlag 1964

Authors and Affiliations

  • H. Žáček
    • 1
  1. 1.Institut für Galenische Pharmazie, Pharmazeutische FakultätKomenský-UniversitätBratislavaTschechoslowakei

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