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Notes on the Subject Matter of a Previous Paper1

Published online by Cambridge University Press:  15 May 2009

H. J. Buchanan-Wollaston
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The meaning of the footnote on p. 162 is somewhat ambiguous and the statement comprised in it is not true for all values of n, the number of differences in N.F.T. of which the significance of the mean is tested.

The statement that, by the use of a certain approximate distribution, significance of an observation is underestimated means that the estimated value of P in the neighbourhood of the significance level is greater than the true value.

Type
Research Article
Information
Journal of Hygiene , Volume 42 , Issue 2 , April 1942 , pp. 211 - 217
Copyright
Copyright © Cambridge University Press 1942

References

1 “On tests of the significance of differences in degrees of pollution by coliform bacteria and on the estimation of such differences,” Vol. 41, pp. 139–68.