Abstract
I DO not see that Prof. Mahalanobis (NATURE, September 1, p. 323) has given any good reason for the statement that the correlation coefficients that I have obtained from the English balloon ascents are to be taken as the upper limit of what is possible, excepting that Capt. Douglas working on a different system in one specific instance has obtained a lower value. I freely admit they may be wrong; unless one has a very large sample one always has to reckon with the casual error of a correlation coefficient, but there seems no reason why I should not equally well accept Dr. Chapman's conclusion that they are too low.
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DINES, W. Correlation of Upper Air Variables. Nature 112, 502 (1923). https://doi.org/10.1038/112502a0
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DOI: https://doi.org/10.1038/112502a0
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