HyperStat Online Textbook by David M. Lane, Rice University

  Professor Jon Anderson, University of Minnesota

Professor Benjamin S. Winchester, University of Minnesota, Morris

  University of Helsinki, Finland

  Hebrew University, Jerusalem

  University of Zagreb, Croatia

  Szechenyi Istvan University, Gyor, Hungary

    Statistics Methods by Professor C. J. Anderson, University of Illinois

Statistics for Psychology by Professor Roberto R. Heredia

  Professor Hammond, Tennessee State University

  Professor Loss, University of Nevada, Reno

  Professor Robert D. Duval, Department of Political Science, West Virginia University

  Appalachian State University

ΣΤΑΤΙΣΤΙΚΗ ΔΙΕΥΘΥΝΣΗ ΔΕΥΤΕΡΟΒΑΘΜΙΑΣ ΕΚΠΑΙΔΕΥΣΗΣ Ν. ΦΛΩΡΙΝΑΣ

Professor Wong Yu Cheung, University of Hong Kong

Laboratorie de Biostatistique, Universite Francois Rabelais