Basic statistical methods 2nd edition by N.M. Downie & R.W. Heath

Basic statistical methods 2nd edition by N.M. Downie & R.W. Heath #S5

Basic statistical methods 2nd edition by N.M. Downie & R.W. Heath

Basic Statistical Methods 4th Edition by N.M. Downie & R.W. Heath 1974 VTG

1957 2nd Edition Numerical Methods Andrew Booth Hardcover

Statistical Methods for Social Scientists Lillian Cohen 1st Edition 1954

Fundamentals of Modern Statistical Methods by Rand R. Wilcox, Hardcover

Basic Statistical Methods Downie and Heath 1965 Hardcover Vintage Psychology