On the Influence of Bias and of Personal Equation in Statistics of Ill-Defined Qualities
1906 ◽
Vol 36
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pp. 325
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1954 ◽
Vol 100
(419)
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pp. 462-477
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Keyword(s):
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Keyword(s):
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1957 ◽
Vol 17
(1)
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pp. 34-38
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Keyword(s):