STATISTICS Advanced Mathematics Vintage Math Book Lot Test Theory Groups Science

Lot of six vintage books on Statistics and allied university-level Advanced Mathematics areas, four are hardcover and two are softcover.Good condition, standard age and exterior usage wear to corners/edges/covers, some have bookstore stickers/prices, some have previous owner names on first page, interiors are fine with no writing or underlining---see notes below.Lot includes:
Introduction to Mathematical Statistics, Paul Hoel, 1971 4th edition
Test Theory, David Magnusson, 1967
Statistical Concepts: A Basic Program, by Amos, Brown & Mink, 1965
Statistical Methods for Social Scientists, Hanushek & Jackson, 1977
Applied Multivariate Statistics for the Social Sciences, James Stevens, 1996 3rd edition
The Theory of Groups: An Introduction, Joseph Rotman, 1968, small spot on fore edge, a very few margin notes
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