Elementary Statistics Using JMP

Contents
Acknowledgments ix
Part 1 The Basics 1
Chapter 1 Introduction 3
Purpose 4
Audience 4
What This Book Is and Isn’t 4
How This Book Is Organized 5
How to Use This Book 9
Using JMP or JMP SE 9
Chapter 2 Getting Started 11
JMP and Your Computer 12
Explaining JMP Terms 13
Starting JMP 14
Displaying a Simple Example 14
Getting Help 17
Exiting JMP 19
Chapter 3 Using Data Tables 21
Using Data Tables 22
What Is a Data Table? 22
Creating the Speeding Ticket Data Table 24
Opening an Existing JMP Data Table 29
Importing Data 29
Understanding Data Tables 36
Working with Columns 41
Working with Rows 48
Understanding Data Type and Modeling Type 50
Ordering Values 53
Adding Value Labels 56
Printing a Data Table 57
Sorting a Data Table 60
Summary 62
Exercises 70
Chapter 4 Summarizing Data 71
Checking Data for Errors 73
Using Distribution for a Continuous Variable 73
Using Distribution for Multiple Variables 89
Interacting with Distribution Results 94
Customizing Reports 100
Summaries 104
Exercises 111
Chapter 5 Graphing Data and Printing Results 113
Creating Custom Bar Charts 114
Creating Treemaps 122
Printing Results 127
Saving Results to Journals 129
Summaries 134
Exercises 138
Part 2 Statistical Background 139
Chapter 6 Understanding Fundamental Statistical
Concepts 141
Populations and Samples 142
The Normal Distribution 146
Parametric and Nonparametric Statistical Methods 150
Testing for Normality 150
Building a Hypothesis Test 164
Statistical and Practical Significance 166
Summaries 170
Exercises 172
Chapter 7 Estimating the Mean 173
Using One Number to Estimate the Mean 174
Effect of Sample Size 175
Effect of Population Variability 178
The Distribution of Sample Averages 179
Getting Confidence Intervals for the Mean 184
Summaries 189
Exercises 190
Part 3 Comparing Groups 191
Chapter 8 Comparing Two Groups 193
Deciding between Independent and Paired Groups 195
Summarizing Data from Two Independent Groups 196
Summarizing Data from Paired Groups 199
Building Hypothesis Tests to Compare Two Groups 205
Performing the Two-Sample t-test 207
Performing the Wilcoxon Rank Sum Test 220
Enhancing the Two-Sample Graph 224
Performing the Paired-Difference t-test 228
Performing the Wilcoxon Signed Rank Test 235
Summaries 239
Exercises 243
Special Topic: Paired Data in a Single Column 246
Chapter 9 Comparing More Than Two Groups 249
Summarizing Data from Multiple Groups 251
Building Hypothesis Tests to Compare More Than Two Groups 257
Performing a One-way Analysis of Variance 259
Analysis of Variance with Unequal Variances 266
Performing a Kruskal-Wallis Test 270
Enhancing JMP Graphs 273
Multiple Comparison Procedures 274
Summarizing with an Example 293
Summary 299
Exercises 302
Part 4 Fitting Lines to Data 305
Chapter 10 Correlation and Regression 307
Summarizing Multiple Continuous Variables 309
Calculating Correlation Coefficients 316
Performing Straight-Line Regression 320
Fitting a Straight Line Using JMP 324
Summarizing Straight-Line Regression 335
Fitting Curves 336
Regression with Two or More Independent Variables 346
Summaries 353
Exercises 357
Chapter 11 Basic Regression Diagnostics 359
Concepts in Plotting Residuals 360
Creating Residuals Plots for the Energy Data 363
Creating Residuals Plots for the Engine Data 375
Using the Lack Of Fit Report 384
Testing the Regression Assumption for Errors 388
Summaries 392
Exercises 396
Special Topic: Leverage Plots 397
Part 5 Data in Summary Tables 401
Chapter 12 Creating and Analyzing Contingency Tables 403
Defining Contingency Tables 404
Summarizing Raw Data in Tables 405
Creating a JMP Contingency Table from an Existing
Summary Table 411
Creating Contingency Tables for Several Variables 414
Performing Tests for Independence 419
Measures of Association with Ordinal Variables 424
Summaries 429
Exercises 432
Special Topic: Statistical Summary Tables 434
Appendix 1 Further Reading 437
Statistics References 437
JMP Documentation 440
Index 441

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