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Test Bank For Probability and Statistics for Engineering and the Sciences, 8th edition by Devore. (Complete Download) All Chapters 1-16
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Test Bank For Probability and Statistics for Engineering and the Sciences, 8th edition by Devore. (Complete Download) All Chapters 1-16
Contents
1 Overview and Descriptive Statistics Introduction 1
1.1 Populations, Samples, and Processes 2 1.2 Pictorial and Tabular Methods in Descriptive Statistics 12 1.3 Measures of Location 28 1.4 Measures of Variability 35 Supplementary Exercises 46 Bibliography 49
2 Probability Introduction 50
2.1 Sample Spaces and Events 51 2.2 Axioms, Interpretations, and Properties of Probability 55 2.3 Counting Techniques 64 2.4 Conditional Probability 73 2.5 Independence 83 Supplementary Exercises 88 Bibliography 91
3 Discrete Random Variables and Probability Distributions
Introduction 92
3.1 Random Variables 93 3.2 Probability Distributions for Discrete Random Variables 96 3.3 Expected Values 106 3.4 The Binomial Probability Distribution 114 3.5 Hypergeometric and Negative Binomial Distributions 122 3.6 The Poisson Probability Distribution 128 Supplementary Exercises 133 Bibliography 136
vii
Copyright 2010 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. Due to electronic rights, some third party content may be suppressed from the eBook and/or eChapter(s). Editorial review has deemed that any suppressed content does not materially affect the overall learning experience. Cengage Learning reserves the right to remove additional content at any time if subsequent rights restrictions require it.viii
Contents
4 Continuous Random Variables
and Probability Distributions
Introduction 137
4.1 Probability Density Functions 138
4.2 Cumulative Distribution Functions and Expected Values 143
4.3 The Normal Distribution 152
4.4 The Exponential and Gamma Distributions 165
4.5 Other Continuous Distributions 171
4.6 Probability Plots 178
Supplementary Exercises 188
Bibliography 192
5 Joint Probability Distributions
and Random Samples
Introduction 193
5.1 Jointly Distributed Random Variables 194
5.2 Expected Values, Covariance, and Correlation 206
5.3 Statistics and Their Distributions 212
5.4 The Distribution of the Sample Mean 223
5.5 The Distribution of a Linear Combination 230
Supplementary Exercises 235
Bibliography 238
6 Point Estimation
Introduction 239
6.1 Some General Concepts of Point Estimation 240
6.2 Methods of Point Estimation 255
Supplementary Exercises 265
Bibliography 266
7 Statistical Intervals Based on a Single Sample
Introduction 267
7.1 Basic Properties of Confidence Intervals 268
7.2 Large-Sample Confidence Intervals for a Population Mean
and Proportion 276
Copyright 2010 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. Due to electronic rights, some third party content may be suppressed from the eBook and/or eChapter(s).
Editorial review has deemed that any suppressed content does not materially affect the overall learning experience. Cengage Learning reserves the right to remove additional content at any time if subsequent rights restrictions require it.Contents
7.3 Intervals Based on a Normal Population Distribution 285
7.4 Confidence Intervals for the Variance and Standard Deviation
of a Normal Population 294
Supplementary Exercises 297
Bibliography 299
8 Tests of Hypotheses Based on a Single Sample
Introduction 300
8.1 Hypotheses and Test Procedures 301
8.2 Tests About a Population Mean 310
8.3 Tests Concerning a Population Proportion 323
8.4 P-Values 328
8.5 Some Comments on Selecting a Test 339
Supplementary Exercises 342
Bibliography 344
9 Inferences Based on Two Samples
Introduction 345
9.1 z Tests and Confidence Intervals for a Difference Between
Two Population Means 346
9.2 The Two-Sample t Test and Confidence Interval 357
9.3 Analysis of Paired Data 365
9.4 Inferences Concerning a Difference Between Population Proportions 375
9.5 Inferences Concerning Two Population Variances 382
Supplementary Exercises 386
Bibliography 390
10 The Analysis of Variance
Introduction 391
10.1 Single-Factor ANOVA 392
10.2 Multiple Comparisons in ANOVA 402
10.3 More on Single-Factor ANOVA 408
Supplementary Exercises 417
Bibliography 418
ix
Copyright 2010 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. Due to electronic rights, some third party content may be suppressed from the eBook and/or eChapter(s).
Editorial review has deemed that any suppressed content does not materially affect the overall learning experience. Cengage Learning reserves the right to remove additional content at any time if subsequent rights restrictions require it.x
Contents
11 Multifactor Analysis of Variance
Introduction 419
11.1 Two-Factor ANOVA with Kij ⫽ 1 420
11.2 Two-Factor ANOVA with Kij ⬎ 1 433
11.3 Three-Factor ANOVA 442
11.4 2p Factorial Experiments 451
Supplementary Exercises 464
Bibliography 467
12 Simple Linear Regression and Correlation
Introduction 468
12.1 The Simple Linear Regression Model 469
12.2 Estimating Model Parameters 477
12.3 Inferences About the Slope Parameter 1 490
12.4 Inferences Concerning and the Prediction
of Future Y Values 499
mY #x*
12.5 Correlation 508
Supplementary Exercises 518
Bibliography 522
13 Nonlinear and Multiple Regression
Introduction 523
13.1 Assessing Model Adequacy 524
13.2 Regression with Transformed Variables 531
13.3 Polynomial Regression 543
13.4 Multiple Regression Analysis 553
13.5 Other Issues in Multiple Regression 574
Supplementary Exercises 588
Bibliography 593
14 Goodness-of-Fit Tests and Categorical Data Analysis
Introduction 594
14.1 Goodness-of-Fit Tests When Category Probabilities
Are Completely Specified 595
Copyright 2010 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. Due to electronic rights, some third party content may be suppressed from the eBook and/or eChapter(s).
Editorial review has deemed that any suppressed content does not materially affect the overall learning experience. Cengage Learning reserves the right to remove additional content at any time if subsequent rights restrictions require it.Contents
14.2 Goodness-of-Fit Tests for Composite Hypotheses 602
14.3 Two-Way Contingency Tables 613
Supplementary Exercises 621
Bibliography 624
15 Distribution-Free Procedures
Introduction 625
15.1 The Wilcoxon Signed-Rank Test 626
15.2 The Wilcoxon Rank-Sum Test 634
15.3 Distribution-Free Confidence Intervals 640
15.4 Distribution-Free ANOVA 645
Supplementary Exercises 649
Bibliography 650
16 Quality Control Methods
Introduction 651
16.1 General Comments on Control Charts 652
16.2 Control Charts for Process Location 654
16.3 Control Charts for Process Variation 663
16.4 Control Charts for Attributes 668
16.5 CUSUM Procedures 672
16.6 Acceptance Sampling 680
Supplementary Exercises 686
Bibliography 687
Appendix Tables
A.1 Cumulative Binomial Probabilities A-2
A.2 Cumulative Poisson Probabilities A-4
A.3 Standard Normal Curve Areas A-6
A.4 The Incomplete Gamma Function A-8
A.5 Critical Values for t Distributions A-9
A.6 Tolerance Critical Values for Normal Population Distributions A-10
A.7 Critical Values for Chi-Squared Distributions A-11
A.8 t Curve Tail Areas A-12
A.9 Critical Values for F Distributions A-14
A.10 Critical Values for Studentized Range Distributions A-20
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Editorial review has deemed that any suppressed content does not materially affect the overall learning experience. Cengage Learning reserves the right to remove additional content at any time if subsequent rights restrictions require it.
xixii
Contents
A.11 Chi-Squared Curve Tail Areas A-21
A.12 Critical Values for the Ryan-Joiner Test of Normality A-23
A.13 Critical Values for the Wilcoxon Signed-Rank Test A-24
A.14 Critical Values for the Wilcoxon Rank-Sum Test A-25
A.15 Critical Values for the Wilcoxon Signed-Rank Interval A-26
A.16 Critical Values for the Wilcoxon Rank-Sum Interval A-27
A.17  Curves for t Tests A-28
Answers to Selected Odd-Numbered Exercises A-29
Glossary of Symbols/Abbreviations G-1
Index I-1
Copyright 2010 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. Due to electronic rights, some third party content may be suppressed from the eBook and/or eChapter(s).
Editorial review has deemed that any suppressed content does not materially affect the overall learning experience. Cengage Learning reserves the right to remove additional content at any time if subsequent rights restrictions require it.Preface
Purpose
The use of probability models and statistical methods for analyzing data has become
common practice in virtually all scientific disciplines. This book attempts to provide
a comprehensive introduction to those models and methods most likely to be encoun-
tered and used by students in their careers in engineering and the natural sciences.
Although the examples and exercises have been designed with scientists and engi-
neers in mind, most of the methods covered are basic to statistical analyses in many
other disciplines, so that students of business and the social sciences will also profit
from reading the book.
Approach
Students in a statistics course designed to serve other majors may be initially skeptical of
the value and relevance of the subject matter, but my experience is that students can be
turned on to statistics by the use of good examples and exercises that blend their every-
day experiences with their scientific interests. Consequently, I have worked hard to find
examples of real, rather than artificial, data—data that someone thought was worth col-
lecting and analyzing. Many of the methods presented, especially in the later chapters on
statistical inference, are illustrated by analyzing data taken from published sources, and
many of the exercises also involve working with such data. Sometimes the reader may
be unfamiliar with the context of a particular problem (as indeed I often was), but I have
found that students are more attracted by real problems with a somewhat strange context
than by patently artificial problems in a familiar setting.
Mathematical Level
The exposition is relatively modest in terms of mathematical development. Substantial
use of the calculus is made only in Chapter 4 and parts of Chapters 5 and 6. In particu-
lar, with the exception of an occasional remark or aside, calculus appears in the inference
part of the book only—in the second section of Chapter 6. Matrix algebra is not used at
all. Thus almost all the exposition should be accessible to those whose mathematical
background includes one semester or two quarters of differential and integral calculus.
Content
Chapter 1 begins with some basic concepts and terminology—population, sample,
descriptive and inferential statistics, enumerative versus analytic studies, and so on—
and continues with a survey of important graphical and numerical descriptive methods.
A rather traditional development of probability is given in Chapter 2, followed by prob-
ability distributions of discrete and continuous random variables in Chapters 3 and 4,
respectively. Joint distributions and their properties are discussed in the first part of
Chapter 5. The latter part of this chapter introduces statistics and their sampling distri-
butions, which form the bridge between probability and inference. The next three
chapters cover point estimation, statistical intervals, and hypothesis testing based on a
single sample. Methods of inference involving two independent samples and paired
data are presented in Chapter 9. The analysis of variance is the subject of Chapters 10
and 11 (single-factor and multifactor, respectively). Regression makes its initial
appearance in Chapter 12 (the simple linear regression model and correlation) and
xiii
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