Statistics: Problems and Solutions
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A Complete Course in Statistics by
J. Murdoch BSc, ARTC, AMIProdE and
J. A. Barnes BSc, ARCS STATISTICS, PROBLEMS AND SOLUTIONS BASIC STATISTICS, LABORATORY INSTRUCTION MANUAL STATISTICAL TABLES FOR SCIENCE ENGINEERING BUSINESS STUDIES AND MANAGEMENT
STATISTICS: PROBLEMS AND SOLUTIONS
J. Murdoch, BSc, ARTC, AMIProdE Head of Statistics and Operational Research Section, Cranfield Institute of Technology and
J. A. Barnes, BSc, ARCS Lecturer in Statistics and Operational Research, Cranfield Institute of Technology
Palgrave Macmillan
© J. Murdoch and J. A. Barnes 1973 All rights reserved. No part of this publication may be reproduced or transmitted, in any form or by any means, without permission
First published 1973
Published by
THE MACMILLAN PRESS LTD
London and Basingstoke Associated companies in New York Toronto Melbourne Dublin Johannesburg and Madras SBN 333 12017 5
ISBN 978-0-333-12017-0 ISBN 978-1-349-01063-9 (eBook) DOI 10.1007/978-1-349-01063-9
Preface
Statistics is often regarded as a boring, and therefore difficult, subject particularly by those whose previous experience has not produced any real need to understand variation and to make appropriate allowances for it. The subject can certainly be presented in a boring way and in much advanced work can be conceptually and mathematically very difficult indeed. However for most people a simple but informed approach to the collection, analysis and interpretation of numerical information is of tremendous benefit to them in reducing some of the uncertainties involved in decision making. It is a pity that many formal courses of statistics appear to frighten people away from achieving this basic attitude usually through failing to relate the theory to practical applications. This book, whose chapters each contain a brief summary of the main concepts and methods, is intended to show, through worked examples, some of the practical applications of simple statistical methods and so to stimulate interest. In order to establish firmly the basic concepts, a more detailed treatment of the theory is given in chapters 1 and 2. Some examples of a more academic nature are also given to illustrate the way of thinking about problems. Each chapter contains problems for the reader to attempt, the solutions to these being discussed in some detail, particularly in relation to the inferences that can validly be drawn even in those cases where the numbers have been put into the correct 'textbook formula' for the situation. This book will not only greatly assist students to gain a better appreciation of the basic concepts and use of the theory, but will also be of interest to personnel in industry and commerce, enabling them to see the range of applic:ltion of basic statistical concepts. For the application of basic statistics, it is essential that statistical tables are used to reduce the computation to a minimum. The tables used are those by the authors, Statistical Tables, a companion volume in this series of publications on statistics. The third book, Basic Statisti
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