Levin, Jack
Elementary statistics in social research - 2 - New York, Harper & Row publishers 1977 - 294
Elementary statistics/ measures - contral tendency/ measures - variability
519.502 43 LEV
100
Elementary statistics in social research - 2 - New York, Harper & Row publishers 1977 - 294
Elementary statistics/ measures - contral tendency/ measures - variability
519.502 43 LEV
100