An Introduction to the theory of statistics

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Monograph

Identifikator:: 1689851430

URN:: urn:nbn:de:zbw-retromon-101704

Document type:: Monograph

Author:: Fonck, Leopold http://d-nb.info/gnd/116647019

Title:: Wissenschaftliches Arbeiten

Edition:: 3. Aufl., Neudruck d. 2. Aufl., 7.-8. Tsd

Place of publication:: Innsbruck

Publisher:: Rauch

Year of publication:: 1926

Scope:: XII, 396 Seiten

Digitisation:: 2020

Collection:: Economics Books

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Document type:: Monograph

Structure type:: Chapter

Title:: Erster Teil. Die Schule des wissenschaftlichen Arbeitens

Collection:: Economics Books

THEORY OF STATISTICS. interval is not the same, as suggested by the histogram. The area shown by the frequency-polygon over any interval with an ordinate y, (fig. 3) is only correct if the tops of the three successive ordinates v;, 7, 7; lie on a line, s.e. if Yo=3(y, +95), the areas of the two little triangles shaded in the figure being cqual. If y, fall short of this value, the area shown by the Fie. 4. polygon is too great; if y, exceed it, the area shown by the polygon is too small; and if, for this reason, the frequency- polygon tends to become very misleading at any part of the range, it is better to use the histogram. In the mortality dis- tribution of Table IL, for instance, the frequency rises so sharply 86

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