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Mathematical Association of America, 1963
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American Statistical Association, 1962
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American Statistical Association, 1961
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American Statistical Association, 1961
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Informa UK Limited, 1959
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JSTOR, 1959
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Mathematical Association of America, 1959
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Mathematical Association of America, 1959
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National Council of Teachers of Mathematics, 1958
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JSTOR, 1986
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JSTOR, 1976
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Institute of Mathematical Statistics, 1974
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Institute of Mathematical Statistics, 1974
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JSTOR, 1963
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JSTOR, 1961
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JSTOR, 1962
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Informa UK Limited, 1996
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Informa UK Limited, 1996
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Informa UK Limited, 1995
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Informa UK Limited, 1995