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Cover
1
Table of contents
8
Preface
16
Chapter 1. Introduction
20
1.1 Statistics Defined
20
1.2 Types of Statistics
20
1.3 Levels of Discourse: Sample vs. Population
21
1.4 Levels of Discourse: Target vs. Sampled Population
23
1.5 Measurement Scales
24
1.6 Sampling and Sampling Errors
26
1.7 Exercises
26
Chapter 2. Elementary Descriptive Statistical Techniques
28
2.1 Summarizing Sets of Data Measured on a Ratio or Interval Scale
28
2.2 Tabular Methods
30
2.3 Quantitative Summary Characteristics
35
2.4 Correlation between Variables X and Y
57
2.5 Rank Correlation between Variables X and Y
61
2.6 Exercises
65
Chapter 3. Probability Theory
72
3.1 Mathematical Foundations: Sets, Set Relations, and Functions
72
3.2 The Random Experiment, Events, Sample Space, and the Random Variable
78
3.3 Axiomatic Development of Probability Theory
81
3.4 The Occurrence and Probability of an Event
83
3.5 General Addition Rule for Probabilities
84
3.6 Joint, Marginal, and Conditional Probability
85
3.7 Classification of Events
91
3.8 Sources of Probabilities
96
3.9 Bayes’ Rule
98
3.10 Exercises
101
Chapter 4. Random Variables and Probability Distributions
112
4.1 Random Variables
112
4.2 Discrete Probability Distributions
113
4.3 Continuous Probability Distributions
120
4.4 Mean and Variance of a Random Variable
125
4.5 Chebyshev’s Theorem for Random Variables
130
4.6 Moments of a Random Variable
132
4.7 Quantiles of a Probability Distribution
136
4.8 Moment-Generating Function
138
4.9 Probability-Generating Function
146
4.10 Exercises
151
Chapter 5. Bivariate Probability Distributions
166
5.1 Bivariate Random Variables
166
5.2 Discrete Bivariate Probability Distributions
166
5.3 Continuous Bivariate Probability Distributions
173
5.4 Expectations and Moments of Bivariate Probability Distributions
181
5.5 Chebyshev’s Theorem for Bivariate Probability Distributions
188
5.6 Joint Moment–Generating Function
188
5.7 Exercises
193
Chapter 6. Discrete Parametric Probability Distributions
206
6.1 Introduction
206
6.2 Counting Rules
207
6.3 Discrete Uniform Distribution
213
6.4 The Bernoulli Distribution
214
6.5 The Binomial Distribution
216
6.6 The Multinomial Distribution
222
6.7 The Geometric Distribution
225
6.8 The Negative Binomial Distribution
227
6.9 The Poisson Distribution
231
6.10 The Hypergeometric Distribution
237
6.11 The Generalized Hypergeometric Distribution
244
6.12 Exercises
245
Chapter 7. Continuous Parametric Probability Distributions
254
7.1 Introduction
254
7.2 The Uniform Distribution
255
7.3 The Normal Distribution
257
7.4 The Normal Approximation to Binomial Probabilities
272
7.5 The Normal Approximation to Poisson Probabilities
276
7.6 The Exponential Distribution
277
7.7 Gamma and Beta Functions
283
7.8 The Gamma Distribution
285
7.9 The Beta Distribution
289
7.10 Other Useful Continuous Distributions
295
7.11 Exercises
304
Chapter 8. Sampling and the Sampling Distribution of a Statistic
312
8.1 The Purpose of Random Sampling
312
8.2 Sampling Scenarios
313
8.3 The Arithmetic of Random Sampling
320
8.4 The Sampling Distribution of a Statistic
325
8.5 The Sampling Distribution of the Mean
327
8.6 A Weak Law of Large Numbers
335
8.7 Convergence Concepts
338
8.8 A Central Limit Theorem
341
8.9 The Sampling Distribution of a Proportion
345
8.10 The Sampling Distribution of the Variance
352
8.11 A Note on Sample Moments
357
8.12 Exercises
361
Chapter 9. The Chi-Square, Student’s t, and Snedecor’s F Distributions
368
9.1 Derived Continuous Parametric Distributions
368
9.2 The Chi-Square Distribution
369
9.3 The Sampling Distribution of the Variance When Sampling from a Normal Population
373
9.4 Student’s t Distribution
376
9.5 Snedecor’s F Distribution
381
9.6 Exercises
387
Chapter 10. Point Estimation and Properties of Point Estimators
392
10.1 Statistics as Point Estimators
392
10.2 Desirable Properties of Estimators as Statistical Properties
394
10.3 Small Sample Properties of Point Estimators
395
10.4 Large Sample Properties of Point Estimators
427
10.5 Techniques for Finding Good Point Estimators
438
10.6 Exercises
450
Chapter 11. Interval Estimation and Confidence Interval Estimates
458
11.1 Interval Estimators
458
11.2 Central Confidence Intervals
460
11.3 The Pivotal Quantity Method
461
11.4 A Confidence Interval for µ Under Random Sampling from a Normal Population with Known Variance
462
11.5 A Confidence Interval for µ Under Random Sampling from a Normal Population with Unknown Variance
465
11.6 A Confidence Interval for s2 Under Random Sampling from a Normal Population with Unknown Mean
466
11.7 A Confidence Interval for p Under Random Sampling from a Binomial Population
470
11.8 Joint Estimation of a Family of Population Parameters
474
11.9 Confidence Intervals for the Difference of Means When Sampling from Two Independent Normal Populations
477
11.10 Confidence Intervals for the Difference of Means When Sampling from Two Dependent Populations: Paired Comparisons
483
11.11 Confidence Intervals for the Difference of Proportions When Sampling from Two Independent Binomial Populations
489
11.12 Confidence Interval for the Ratio of Two Variances When Sampling from Two Independent Normal Populations
490
11.13 Exercises
492
Chapter 12. Tests of Parametric Statistical Hypotheses
502
12.1 Statistical Inference Revisited
502
12.2 Fundamental Concepts for Testing Statistical Hypotheses
503
12.3 What Is the Research Question?
505
12.4 Decision Outcomes
506
12.5 Devising a Test for a Statistical Hypothesis
507
12.6 The Classical Approach to Statistical Hypothesis Testing
510
12.7 Types of Tests or Critical Regions
512
12.8 The Essentials of Conducting a Hypothesis Test
514
12.9 Hypothesis Test for µ Under Random Sampling from a Normal Population with Known Variance
515
12.10 Reporting Hypothesis Test Results
520
12.11 Determining the Probability of a Type II Error ß
523
12.12 Hypothesis Tests for µ Under Random Sampling from a Normal Population with Unknown Variance
529
12.13 Hypothesis Tests for p Under Random Sampling from a Binomial Population
531
12.14 Hypothesis Tests for s2 Under Random Sampling froma Normal Population
535
12.15 The Operating Characteristic and Power Functions of a Test
538
12.16 Determining the Best Test for a Statistical Hypothesis
547
12.17 Generalized Likelihood Ratio Tests
556
12.18 Hypothesis Tests for the Difference of Means When Sampling from Two Independent Normal Populations
565
12.19 Hypothesis Tests for the Difference of Means When Sampling from Two Dependent Populations: Paired Comparisons
572
12.20 Hypothesis Tests for the Difference of Proportions When Sampling from Two Independent Binomial Populations
574
12.21 Hypothesis Tests for the Difference of Variances When Sampling from Two Independent Normal Populations
576
12.22 Hypothesis Tests for Spearman’s Rank Correlation Coefficient .S
578
12.23 Exercises
580
Chapter 13. Nonparametric Statistical Techniques
588
13.1 Parametric vs. Nonparametric Methods
588
13.2 Tests for the Randomness of a Single Sample
591
13.3 Single-Sample Sign Test Under Random Sampling
599
13.4 Wilcoxon Signed Rank Test of a Median
602
13.5 Runs Test for Two Independent Samples
606
13.6 Mann-Whitney (Rank-Sum) Test for Two Independent Samples
609
13.7 The Sign Test When Sampling from Two Dependent Populations: Paired Comparisons
616
13.8 Wilcoxon Signed Rank Test When Sampling from Two Dependent Populations: Paired Comparisons
618
13.9 Exercises
622
Chapter 14. Testing Goodness of Fit
628
14.1 Distributional Hypotheses
628
14.2 The Multinomial Chi-Square Statistic: Complete Specification of H0
628
14.3 The Multinomial Chi-Square Statistic: Incomplete Specification of H0
635
14.4 The Kolmogorov-Smirnov Test for Goodness of Fit
640
14.5 The Lilliefors Goodness-of-Fit Test for Normality
649
14.6 The Shapiro-Wilk Goodness-of-Fit Test for Normality
650
14.7 The Kolmogorov-Smirnov Test for Goodness of Fit: Two Independent Samples
651
14.8 Assessing Normality via Sample Moments
653
14.9 Exercises
657
Chapter 15. Testing Goodness of Fit: Contingency Tables
662
15.1 An Extension of the Multinomial Chi-Square Statistic
662
15.2 Testing Independence
662
15.3 Testing k Proportions
668
15.4 Testing for Homogeneity
670
15.5 Measuring Strength of Association in Contingency Tables
674
15.6 Testing Goodness of Fit with Nominal-Scale Data: Paired Samples
680
15.7 Exercises
683
Chapter 16. Bivariate Linear Regression and Correlation
688
16.1 The Regression Model
688
16.2 The Strong Classical Linear Regression Model
689
16.3 Estimating the Slope and Intercept of the Population Regression Line
692
16.4 Mean, Variance, and Sampling Distribution of the LeastSquares Estimators . ß0 and . ß1
695
16.5 Precision of the Least Squares Estimators . ß0, . ß1:Confidence Intervals
698
16.6 Testing Hypotheses Concerning ß0, ß1
699
16.7 The Precision of the Entire Least Squares Regression Equation: A Confidence Band
703
16.8 The Prediction of a Particular Value of Y Given X
706
16.9 Decomposition of the Sample Variation of Y
710
16.10 The Correlation Model
714
16.11 Estimating the Population Correlation Coefficient .
716
16.12 Inferences about the Population Correlation Coefficient .
717
16.13 Exercises
724
Appendix A
736
Solutions to Selected Exercises
786
References and Suggested Reading
804
Index
808
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