Author

Robert Ewen B

2 books found

Cover of Study guide to accompany Introductory statistics for the behavioral sciences, fifth edition, by Joan Welkowitz, Robert B. Ewen, and Jacob Cohen

Study guide to accompany Introductory statistics for the behavioral sciences, fifth edition, by Joan Welkowitz, Robert B. Ewen, and Jacob Cohen

Robert B. Ewen · First published 1999

Cover of Answer key for the Study guide to accompany Introductory statistics for the behavioral sciences by Joan Welkowitz, Robert B. Ewen, and Jacob Cohen

Answer key for the Study guide to accompany Introductory statistics for the behavioral sciences by Joan Welkowitz, Robert B. Ewen, and Jacob Cohen

Joan Welkowitz · First published 1998