Practical Statistics for Business
Ruth Ravid is Professor, National College of Education, National-Louis University, Illinois. She is the author of Practical Statistics for Educators, Third Edition (University Press of America, 2005); co-author of Workbook to Accompany Practical Statistics for Educators, Third Edition (University Press of America, 2005); and co-editor of The Many Faces of School-University Collaboration: Characteristics of Successful Partnerships (Teacher Idea Press, 2001). Ravid holds a M.A. and a Ph.D. in Education from Northwestern University.
Perry Haan is Associate Professor of Marketing and Dean of the School of Business at Tiffin University, Ohio. He has authored or co-authored over thirty peer-reviewed articles published in academic journals and conference proceedings. Haan hold a D.B.A. from the University of Sarasota, a M.B.A. from Xavier University, and a B.S. from The Ohio State University.