Statistics

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  Statistics

  David Freedman, Robert Pisani, Roger Purves

  Fourth International Student Edition

  Paperback

  Renowned for its clear prose and no-nonsense emphasis on core concepts, Statistics covers fundamentals using real examples to illustrate the techniques.

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  Div, Grad, Curl, and All That: An Informal Text on Vector Calculus

  H. M. Schey

  Fourth Edition

  Paperback

  This new fourth edition of the acclaimed and bestselling Div, Grad, Curl, and All That has been carefully revised and now includes updated notations and seven new example exercises.