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The Significance of the Difference Between Two Means when the Population Variances are Unequal

B. L. Welch
Biometrika
Vol. 29, No. 3/4 (Feb., 1938), pp. 350-362
Published by: Oxford University Press on behalf of Biometrika Trust
DOI: 10.2307/2332010
Stable URL: http://www.jstor.org/stable/2332010
Page Count: 13
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The Significance of the Difference Between Two Means when the Population Variances are Unequal
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