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Science 6 March 1964:
Vol. 143. no. 3610, pp. 1032 - 1033
DOI: 10.1126/science.143.3610.1032
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Articles

Analysis of Variance of Migmatite Composition II: Comparison of Two Areas

Richard F. Ward 1 and Sharon L. Werner 1

1 Department of Geology, Wayne State University, Detroit 2, Michigan

To obtain comparison with previous results an analysis of variance was made on measurements of proportion of granite and country rock in a second Colorado migmatite. The distributional parameters (mean and variance) of both regions are similar, but the distributions of variance among the three levels of the nested design differ radically.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)