Bancroft’s Introduction to Biostatistics

246 Pages·1970·27.544 MB·English

by  Johannes Ipsen, Polly Feigl

Digitized by the Internet Archive
2015
in
https://archive.org/details/bancroftsintroduOObanc

Bancroft’s
Introduction to
Biostatistics
SECOND EDITION
JOHANNES
IPSEN, M.D., M.P.H.
Professor ofMedical Statistics and Epidemiology,
Department ofCommunity Medicine,
School ofMedicine, University ofPennsylvania,
Philadelphia
POLLY FEIGL, PH.D.
Assistant Professor ofBiostatistics,
Department ofBiostatistics, School of
Public Health and Community
Medicine, University ofWashington,
Seattle
Medical Department
HARPER ROW, PUBLISHERS
&
New York, Evanston, and London
BANCROFT’S INTRODUCTION TO BIOSTATISTICS
Copyright © 1957, 1970 by Harper & Row, Publishers, Inc. All rights reserved.
No part of this book may be used or reproduced in any manner whatsoever
without written permission except in the case of brief quotations embodied in
critical articles and reviews. Printed in the United States of America. For infor-
mation address Medical Department, Harper & Row, Publishers, Inc., 49 East
33rd Street, New York, N.Y. 10016.
FIRST EDITION
LIBRARY OF CONGRESS CATALOG CARD NUMBER! 74-106338
Contents
Preface to the Second Edition vii
Preface to the First Edition ix
Introduction
1 1
2 Distributions 4
3 The Normal Distribution 19
4 The Mean and Other Measures of Central Tendency 26
5 TheStandardDeviationandOtherMeasuresofVariation 42
6 Significance of Differences in Means 55
7 The Binomial and Poisson Distributions 65
8 Significance of Differences in Proportions 77
9 Correlation and Regression 88
10 Goodness of Fit 106
11 Medical and Vital Statistics 115
12 Comparison of Rate Tables 130
13 Evaluation of Effectivity and Risk 142
14 Techniques in Follow-Up Studies 153
15 Bioassay 163
16 Design of Experiment 171
Appendix on Computational Methods 185
Tables 205
List of Answers to Problems 213
Index 217