Elementary statistics :
Pfenning, Nancy.
Elementary statistics : looking at the big picture / Nancy Pfenning, University of Pittsburgh. - Hybrid. - Boston, MA. USA : Brooks/Cole, Cengage Learning, 2013 - xxiv, 597 p.: col ill.
9781133316688
Statistics--Problems, exercises, etc.
Variables (Mathematics)--Problems, exercises
QA276.2 / .P494 2013
Elementary statistics : looking at the big picture / Nancy Pfenning, University of Pittsburgh. - Hybrid. - Boston, MA. USA : Brooks/Cole, Cengage Learning, 2013 - xxiv, 597 p.: col ill.
9781133316688
Statistics--Problems, exercises, etc.
Variables (Mathematics)--Problems, exercises
QA276.2 / .P494 2013