Elementary Statistics

by Weiss, Neil A.

• ISBN13: 9780201598780
• ISBN10: 0201598787
• Edition: 4th
• Format: Hardcover
• Copyright: 1998-11-01
• Publisher: Pearson College Div

Summary

Now in its Fourth Edition, Weiss has a reputation for being thorough and precise, and for using real data extensively throughout. Case studies are introduced at the beginning of the chapters and discussed at the end, showing students the links between the subject matter and how the material can be used in real life.

Table of Contents

PART I INTRODUCTION	1	(56)
The Nature of Statistics	3	(54)
Case Study: Top Films of All Time	2	(2)
Two Kinds of Statistics	4	(2)
Classifying Statistical Studies	6	(4)
The Development of Statistics	10	(1)
Using the Computer	11	(12)
Is a Study Necessary?	23	(1)
Simple Random Sampling	24	(9)
Other Sampling Procedures	33	(6)
Experimental Design	39	(18)
Chapter Review	49	(1)
Review Test	50	(3)
Internet Project	53	(1)
Using the Focus Database	54	(1)
Case Study Discussion	55	(1)
Biography	56	(1)
PART II DESCRIPTIVE STATISTICS	57	(188)
Organizing Data	59	(66)
Case Study: Infant Mortality	58	(2)
Variables and Data	60	(6)
Grouping Data	66	(15)
Graphs and Charts	81	(14)
Stem-and-Leaf Diagrams	95	(8)
Distribution Shapes; Symmetry and Skewness	103	(9)
Misleading Graphs	112	(13)
Chapter Review	117	(1)
Review Test	118	(4)
Internet Project	122	(1)
Using the Focus Database	122	(1)
Case Study Discussion	123	(1)
Biography	123	(2)
Descriptive Measures	125	(70)
Case Study: Per Capita Income by State	124	(2)
Measures of Center	126	(12)
The Sample Mean	138	(4)
Measures of Variation; the Sample Standard Deviation	142	(17)
The Five-Number Summary; Boxplots	159	(15)
Descriptive Measures for Populations; Use of Samples	174	(21)
Chapter Review	188	(1)
Review Test	189	(2)
Internet Project	191	(1)
Using the Focus Database	192	(1)
Case Study Discussion	192	(1)
Biography	193	(2)
Descriptive Methods in Regression and Correlation	195	(50)
Case Study: Fat Consumption and Prostate Cancer	194	(2)
Linear Equations with One Independent Variable	196	(6)
The Regression Equation	202	(18)
The Coefficient of Determination	220	(10)
Linear Correlation	230	(15)
Chapter Review	239	(1)
Review Test	240	(3)
Internet Project	243	(1)
Using the Focus Database	243	(1)
Case Study Discussion	243	(1)
Biography	244	(1)
PART III PROBABILITY, RANDOM VARIABLES, AND SAMPLING DISTRIBUTIONS	245	(164)
Probability and Random Variables	247	(82)
Case Study: The Powerball	246	(2)
Probability Basics	248	(9)
Events	257	(11)
Some Rules of Probability	268	(10)
Discrete Random Variables and Probability Distributions	278	(12)
The Mean and Standard Deviation of a Discrete Random Variable	290	(7)
The Binomial Distribution	297	(32)
Chapter Review	319	(1)
Review Test	320	(4)
Internet Project	324	(1)
Using the Focus Database	325	(1)
Case Study Discussion	326	(1)
Biography	327	(2)
The Normal Distribution	329	(46)
Case Study: Chest Sizes of Scottish Militiamen	328	(2)
Introducing Normally Distributed Variables	330	(10)
Areas Under the Standard Normal Curve	340	(11)
Working With Normally Distributed Variables	351	(9)
Assessing Normality; Normal Probability Plots	360	(15)
Chapter Review	367	(1)
Review Test	368	(3)
Internet Project	371	(1)
Using the Focus Database	371	(1)
Case Study Discussion	372	(1)
Biography	372	(3)
The Sampling Distribution of the Mean	375	(34)
Case Study: The Chesapeake and Ohio Freight Study	374	(2)
Sampling Error; the Need for Sampling Distributions	376	(7)
The Mean and Standard Deviation of X	383	(9)
The Sampling Distribution of the Mean	392	(17)
Chapter Review	403	(1)
Review Test	404	(3)
Internet Project	407	(1)
Using the Focus Database	407	(1)
Case Study Discussion	407	(1)
Biography	408	(1)
PART IV INFERENTIAL STATISTICS	409
Confidence Intervals for one Population Mean	411
Case Study: Zooplankton Nutrition in the Gulf of Mexico	410
Estimating a Population Mean	412
Confidence Intervals for One Population Mean When σ Is Known	418
Margin of Error	428
Confidence Intervals for One Population Mean When σ Is Unknown	434
Chapter Review	449
Review Test	450
Internet Project	453
Using the Focus Database	453
Case Study Discussion	454
Biography	454
Hypothesis Tests for One Population Mean	457
Case Study: Effects of Brewery Effluent on Soil	456
The Nature of Hypothesis Testing	458
Terms, Errors, and Hypotheses	467
Hypothesis Tests for One Population Mean When σ Is Known	478
P-Values	492
Hypothesis Tests for One Population Mean When σ is Unknown	506
Chapter Review	522
Review Test	523
Internet Project	527
Using the Focus Database	527
Case Study Discussion	528
Biography	528
Inferences for Two Population Means	531
Case Study: Breast Milk and IQ	530
The Sampling Distribution of the Difference Between Two Means for Independent Samples	532
Inferences for Two Population Means Using Independent Samples (Standard Deviations Assumed Equal)	540
Inferences for Two Population Means Using Independent Samples (Standard Deviations Not Assumed Equal)	554
Inferences for Two Population Means Using Paired Samples	567
Chapter Review	583
Review Test	584
Internet Project	590
Using the Focus Database	590
Case Study Discussion	591
Biography	592
Inferences for Population Proportions	595
Case Study: Credit Card Blues	594
Confidence Intervals for One Population Proportion	596
Hypothesis Tests for One Population Proportion	611
Inferences for Two Population Proportions Using Independent Samples	618
Chapter Review	632
Review Test	632
Internet Project	636
Using the Focus Database	637
Case Study Discussion	637
Biography	638
Chi-Square Procedures	641
Case Study: Time On or Off the Job: Which Do Americans Enjoy More?	640
The Chi-Square Distribution	642
Chi-Square Goodness-Of-Fit Test	644
Contingency Tables; Association	656
Chi-Square Independence Test	667
Chapter Review	681
Review Test	681
Internet Project	686
Using the Focus Database	686
Case Study Discussion	686
Biography	687
Analysis of Variance (ANOVA)	689
Case Study: Heavy Drinking Among College Students	688
The F-Distribution	690
One-Way ANOVA: The Logic	692
One-Way ANOVA: The Procedure	700
Chapter Review	715
Review Test	716
Internet Project	717
Using the Focus Database	718
Case Study Discussion	718
Biography	719
Inferential Methods in Regression and Correlation	721
Case Study: Fat Consumption and Prostate Cancer	720
The Regression Model; Analysis of Residuals	722
Inferences for the Slope of the Population Regression Line	738
Estimation and Prediction	749
Inferences in Correlation	761
Chapter Review	768
Review Test	769
Internet Project	772
Using the Focus Database	773
Case Study Discussion	773
Biography	774
APPENDIXES	A-1
Appendix A Statistical Tables	A-3
I Random numbers	A-5
II Areas under the standard normal curve	A-6
III Normal scores	A-8
IV Values of tα	A-11
V Values of Xα2	A-12
VI Values of Fα	A-14
Appendix B Answers to Selected Exercises	A-23
Index	I-1