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t-test en student-test

Welk is het verschil tussen de student-test en de t-test ?

SN
Student universiteit - zondag 5 mei 2002

Antwoord

Het zijn twee namen voor hetzelfde:

W.S. Gosset (1876-1937) was employed by the Guniess Brewing Company of Dublin. Sample sizes available for experimentation in brewing were necessarily small, andGosset knew that a correct way of dealing with small samples was needed. He consulted Karl Pearson (1857-1936) of Universiy College in London about the problem. Pearson told him the current state of knowledge was unsatisfactory. The following year Gosset undertook a course of study under Pearson. An outcome of his study was the publication in 1908 of Gosset's paper on "The Probable Error of a Mean," which introduced a form of what later became known as Student's t-distribution. Gosset's paper was published under the pseudonym "Student." The modern form of Student's t-distribution was derived by R.A. Fisher and first published in 1925."

bron: http://dasl.datadesk.com/parse.acgi?story=Student%20t-distribution

WvR
zondag 5 mei 2002

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