← Search Econometrica Vol. 38 No. 2 1970 Statistical Methods Ivan Bello; George W. Snedecor; William G. Cochran DOI10.2307/1913021 Volume38 Issue2 Pages372 Sources semanticscholar openalex crossref Cite APA 7 MLA 9 Chicago (author–date) Harvard Elsevier Harvard (JFE, JBF…) The Accounting Review Academy of Management American Marketing Association INFORMS (Management Science) Copy citation Copied ✓