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statistics and business data analysis

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,

STATISTICS "FOR
BUSINESS AND
ECONOMICS ~
SECOND EDITION

SWEENEY WILLIAMS

ANDERSON

FREEMAN
~...
t

SHOESMITH

SOUTH-WESTERN
(ENGAGE Learning'

Australia· Brazil· Japan· Korea· Mexico· Singapore. Spain. United Kingdom. United States

Brief contents

Preface and Acknowledgements xvii
About the Authors xx
Walk-through Tour xxii
Accompanying Website xxiv
Supplements xxv

Data and Statistics

I

2 Descriptive Statistics: Tabular and Graphical Presentations

3 Descriptive Statistics: Numerical Measures

4 Introduction to Probability

21

67

117

5 Discrete Probability Distributions 153

6 Continuous Probability Distributions

187

7 Sampling and Sampling Distributions 219

8 Interval Estimation
9 Hypothesis Tests

251

283

10 Statistical Inference about Means and Proportions with Two

Populations

335

I I Inferences about Population Variances

373

12 Tests of Goodness of Fit and Independence 399
13 Analysis of Variance and Experimental Design 429
14 Simple linear Regression 489

15 Multiple Regression 555
16 Regression Analysis: Model Building 613
17 Index Numbers 659
18 Forecasting 683

ix

,

BRIEF CONTENTS

19 Non-parametric Methods

727

20 Statistical Methods for Quality Control
21 Decision Analysis

799

22 Sample Surveys (on CD)
Appendix A References and Bibliography 835
Appendix B Tables 837
Appendix C Summation Notation 867
Appendix D Answers to Even-numbered Exercises 870
Glossary 9 I I
Index 920

767

Contents
Preface and Acknowledgments xvii
About the Authors xx
Walk-through Tour xxii
Accompanying Website xxiv
Supplements xxv

J Descriptive Statistics:
Measures 67

Statistics in practice: TV audience measureme~1 69

3.2

1.2

Data sources 8

1.4

Descriptive statistics I2

1.5

Statistical inference 14

1.6

3.3

Data 5

1.3

Computers and statistical analysis 15

Exercises 1-13 I 6
Summary 20
Key terms...
,
STATISTICS
"FOR
BUSINESS
AND
ECONOMICS
~
SECOND
EDITION
ANDERSON
SWEENEY
WILLIAMS
FREEMAN SHOESMITH
~...
SOUTH-WESTERN
t (ENGAGE Learning'
Australia·
Brazil·
Japan·
Korea·
Mexico·
Singapore.
Spain.
United
Kingdom.
United
States