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Statistics, 4th edition By David Freedman, Robert Pisani

Statistics Fourth Edition DAVID FREEDMAN ROBERT PISANI ROGER PURVES Statistics Fourth Edition W • W • NORTON & COMPANY NEW YORK • LONDON Cartoons by Dana Fradon and Leo Cullum The text of this book is composed in Times Roman. Composition by Integre Technical Publishing Company, Inc. Manufacturing by R. R. Donnelley. Library of Congress Cataloging-in-Publication Data Freedman, David, 1938– Statistics...

Statistics, 4th edition By David Freedman, Robert Pisani.

1. Find the area under the normal curve— (a) to the right of 1.25 (b) to the left of 0.40 (c) to the left of 0.80 (d) between 0.40 and 1.30 (e) between −0.30 and 0.90 (f) outside −1.5 to 1.5 2. Fill in the blanks: (a) The area between ± under the normal curve equals 68%. (b) The area between ± under the normal curve equals 75%. 3. The normal curve is sketched below; solve for z. 4. A certain curve (not the normal) is sketched below. The total area under it is 100%, and t...

Statistics, 4th edition By David Freedman, Robert Pisani

Contents Preface xv PART I. DESIGN OF EXPERIMENTS Chapter 1. Controlled Experiments 3 1. The Salk Vaccine Field Trial 3 2. The Portacaval Shunt 7 3. Historical Controls 8 4. Summary 10 Chapter 2. Observational Studies 12 1. Introduction 12 2. The Clofibrate Trial 13 3. More Examples 15 4. Sex Bias in Graduate Admissions 17 5. Confounding 20 6. Review Exercises 24 7. Summary and Overview 27 PART II. DESCRIPTIVE STATISTICS Chapter 3. The Histogram 31 1. Introduction 31 2. Drawin...