| |
| |
| |
A First Look at Minitab | |
| |
| |
Objectives | |
| |
| |
Launching Minitab | |
| |
| |
Entering Data into a Worksheet | |
| |
| |
Saving a Worksheet | |
| |
| |
Exploring the Data | |
| |
| |
Saving a Project | |
| |
| |
Getting Help | |
| |
| |
Printing in Minitab | |
| |
| |
Quitting Minitab | |
| |
| |
Further Reading | |
| |
| |
| |
Tables and Graphs for One Variable | |
| |
| |
Objectives | |
| |
| |
Opening a Worksheet | |
| |
| |
The Project Manager Window | |
| |
| |
A Dotplot | |
| |
| |
Exploring the Data with Stem-and-Leaf | |
| |
| |
Creating a Histogram | |
| |
| |
Frequency Distributions with Tally | |
| |
| |
Printing Session Output | |
| |
| |
A Bar Chart | |
| |
| |
A Time Series Graph | |
| |
| |
Further Reading | |
| |
| |
Moving On... | |
| |
| |
| |
Tables and Graphs for Two Variables | |
| |
| |
Objectives | |
| |
| |
Cross-Tabulating Data | |
| |
| |
Editing Your Most Recent Dialog | |
| |
| |
More on Bar Charts | |
| |
| |
Comparing Two Distributions | |
| |
| |
Scatterplots to Detect Relationships | |
| |
| |
Time-Series Comparison of Two Variables | |
| |
| |
Moving On... | |
| |
| |
| |
One-Variable Descriptive Statistics | |
| |
| |
Objectives | |
| |
| |
Computing One Summary Measure for a Variable | |
| |
| |
Computing Several Summary Measures | |
| |
| |
The Empirical Rule | |
| |
| |
Box-and-Whiskers Plots | |
| |
| |
Standardizing a Variable | |
| |
| |
Moving On... | |
| |
| |
| |
Two-Variable Descriptive Statistics | |
| |
| |
Objectives | |
| |
| |
Comparing Dispersion with the Coefficient of Variation | |
| |
| |
Descriptive Measures for Subsamples | |
| |
| |
Measures of Association: Covariance and Correlation | |
| |
| |
Moving On... | |
| |
| |
| |
Elementary Probability | |
| |
| |
Objectives | |
| |
| |
Simulation | |
| |
| |
A Classical Example | |
| |
| |
Observed Relative Frequency as Probability | |
| |
| |
Recoding Alphanumeric Data | |
| |
| |
Joint and Conditional Probability | |
| |
| |
Independent Events | |
| |
| |
Moving On... | |
| |
| |
| |
Discrete Probability Distributions | |
| |
| |
Objectives | |
| |
| |
An Empirical Discrete Distribution | |
| |
| |
Graphing a Discrete Random Variable | |
| |
| |
Transferring Session Output to the Worksheet | |
| |
| |
Computing the Expected Value of X | |
| |
| |
Cumulative Probability | |
| |
| |
A Theoretical Distribution: The Binomial | |
| |
| |
Another Theoretical Distribution: The Poisson | |
| |
| |
Moving On... | |
| |
| |
| |
Normal Distributions | |
| |
| |
Objectives | |
| |
| |
Continuous Random Variables | |
| |
| |
Generating Normal Distributions | |
| |
| |
Finding Areas Under a Normal Curve | |
| |
| |
Inverse Normal Probabilities | |
| |
| |
Normal Curves as Models | |
| |
| |
Normal Probability Plot | |
| |
| |
Moving On... | |
| |
| |
| |
Sampling Distributions | |
| |
| |
Objectives | |
| |
| |
What is a Sampling Distribution? | |
| |
| |
Sampling from a Normal Population | |
| |
| |
Central Limit Theorem | |
| |
| |
Sampling Distribution of the Proportion | |
| |
| |
Moving On... | |
| |
| |
| |
Inference for a Population Mean | |
| |
| |
Objectives | |
| |
| |
Statistical Inferences from a Sample | |
| |
| |
The Concept of a Confidence Interval Estimate | |
| |
| |
Effect of Confidence Coefficient | |
| |
| |
Dealing with Real Data | |
| |
| |
Small Samples from a Normal Population | |
| |
| |
A More Realistic Case | |
| |
| |
The Logic of Hypothesis Testing | |
| |
| |
An Artificial Example | |
| |
| |
A More Realistic Case: We Don't Know Sigma | |
| |
| |
A Small-Sample Example | |
| |
| |
Moving On... | |
| |
| |
| |
Inference for a Population Proportion | |
| |
| |
Objectives | |
| |
| |
Inferences for Qualitative Data | |
| |
| |
Confidence Interval for a Population Proportion | |
| |
| |
A One-Sided Confidence Interval | |
| |
| |
Variables with More than Two Categories | |
| |
| |
Inference Using Summary Data | |
| |
| |
Moving On... | |
| |
| |
| |
Inference for Two Samples | |
| |
| |
Objectives | |
| |
| |
Working with Two Samples | |
| |
| |
Matched vs. Independent Samples | |
| |
| |
Comparing Two Proportions | |
| |
| |
Further Reading | |
| |
| |
Moving On... | |
| |
| |
| |
Chi-Square Tests | |
| |
| |
Objectives | |
| |
| |
Review of Qualitative vs. Quantitative Data | |
| |
| |
Goodness of Fit Testing | |
| |
| |
A First Example: Simple Genetics | |
| |
| |
Testing for Independence | |
| |
| |
Sample Size Considerations | |
| |
| |
Testing for Independence (Summary Data Only) | |
| |
| |
Further Reading | |
| |
| |
Moving On... | |
| |
| |
| |
Analysis of Variance (I) | |
| |
| |
Objectives | |
| |
| |
Comparing More than Two Means | |
| |
| |
A Simple Example | |
| |
| |
Another Example | |
| |
| |
More on Normality | |
| |
| |
ANOVA and the Two-Sample t-Tests | |
| |
| |
Other ANOVA Issues | |
| |
| |
Moving On... | |
| |
| |
| |
Analysis of Variance (II) | |
| |
| |
Objectives | |
| |
| |
Going Beyond a Single Factor | |
| |
| |
A Two-Way ANOVA | |
| |
| |
A More Complex Example | |
| |
| |
Beyond Two Factors | |
| |
| |
Moving On... | |
| |
| |
| |
Linear Regression (I) | |
| |
| |
Objectives | |
| |
| |
Linear Relationships | |
| |
| |
A non-linear example | |
| |
| |
Another linear relationship | |
| |
| |
Inference from Output | |
| |
| |
An Example of a Questionable Relationship | |
| |
| |
An Estimation Application | |
| |
| |
A Classic Example | |
| |
| |
Moving On... | |
| |
| |
| |
Linear Regression (II) | |
| |
| |
Objectives | |
| |
| |
Assumptions for Least Squares Regression | |
| |
| |
Examining Residuals to Check Assumptions | |
| |
| |
A Time-Series Example | |
| |
| |
Issues in Forecasting and Prediction | |
| |
| |
A Caveat about Atheoretical Regression | |
| |
| |
Moving On... | |
| |
| |
| |
Multiple Regression | |
| |
| |
Objectives | |
| |
| |
Going Beyond a Single Explanatory Variable | |
| |
| |
Significance Testing and Goodness of Fit | |
| |
| |
Residual Analysis and Prediction | |
| |
| |
Adding More Variables | |
| |
| |
A New Concern | |
| |
| |
Working with Qualitative Variables | |
| |
| |
Moving On... | |
| |
| |
| |
Non-Linear Models | |
| |
| |
Objectives | |
| |
| |
When Relationships are not Linear | |
| |
| |
A Simple Example | |
| |
| |
Some Common Transformations | |
| |
| |
Another Quadratic Model | |
| |
| |
A Logarithmic Transformation | |
| |
| |
Other Considerations | |
| |
| |
Moving On... | |
| |
| |
| |
Basic Forecasting Techniques | |
| |
| |
Objectives | |
| |
| |
Detecting Patterns over Time | |
| |
| |
Some Illustrative Examples | |
| |
| |
Forecasting Using Moving Averages | |
| |
| |
Forecasting Using Exponential Smoothing | |
| |
| |
Forecasting Using Trend Analysis | |
| |
| |
Moving On... | |
| |
| |
| |
Nonparametric Tests | |
| |
| |
Objectives | |
| |
| |
Nonparametric Methods | |
| |
| |
A Sign Test | |
| |
| |
A Wilcoxon Signed Rank Test | |
| |
| |
Mann-Whitney U Test | |
| |
| |
Kruskal-Wallis Test | |
| |
| |
Spearman Rank Order Correlation | |
| |
| |
A Runs Test | |
| |
| |
Moving On... | |
| |
| |
| |
Introduction to Design of Experiments | |
| |
| |
Objectives | |
| |
| |
Experimental and Observational Studies | |
| |
| |
Goals of Experiments | |
| |
| |
Factors, Blocks, and Randomization | |
| |
| |
Factorial Designs | |
| |
| |
Blocking | |
| |
| |
Fractional Designs | |
| |
| |
Plackett-Burman Designs | |
| |
| |
Further Reading | |
| |
| |
Moving On... | |
| |
| |
| |
Methods for Quality | |
| |
| |
Objectives | |
| |
| |
Processes and Variation | |
| |
| |
Charting a Process Mean | |
| |
| |
Charting a Process Range | |
| |
| |
An Environmental Example | |
| |
| |
Charting a Process Proportion | |
| |
| |
Pareto Charts | |
| |
| |
Further Reading | |
| |
| |
Moving On... | |
| |
| |
| |
Dataset Descriptions | |
| |
| |
Finding Data Descriptions | |
| |
| |
The Datasets | |
| |
| |
| |
Working with Files | |
| |
| |
Objectives | |
| |
| |
Worksheets | |
| |
| |
Session and History Files | |
| |
| |
Graph Files | |
| |
| |
Minitab Projects | |
| |
| |
Converting Other Data Files into Minitab Worksheets | |
| |
| |
| |
Organizing a Worksheet | |
| |
| |
Choices | |
| |
| |
Stacked data | |
| |
| |
Unstacked data | |
| |
| |
Summarized data | |
| |
| |
Index | |