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Contents
Preface xiii
Technology Integration xiv
Organization of the Text
Part I DESCRIPTIVE STATISTICS
Chapter 1 Graphical Displays of Univariate Data
Do 1 Need to Read This Chapter?
1-1 Introduction
1-2 Frequency Distributions
1-3 Dot Plots
1-4 Bar Charts or Bar Graphs
1-5 Histograms
1-6 Frequency Polygons
1-7 Stem-and-Leaf Displays or Plots
1-8 Time Series Graphs
1-9 Pie Graphs or Pie Charts
1-10 Pareto Charts
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Chapter 2 Data Description-Numerical Measures of Central Tendency
for Ungrouped Univariate Data
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2-1 The Mean
. 2-2 The Median
2-3 The Mode
. 2-4 Shapes (Skewness)
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Chapter 3 Data Description-Numerical Measures of Variabiliw
for Ungrouped Univariate Data
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3-1 The Range
. 3-2 The lnterquartile Range
. 3-3 The Mean Absolute Deviation
. 3-4 The Variance and Standard Deviation
. 3-5 The Coefficient of Variation
3-6 The Empirical Rule
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Chapter 4 Data Description-Numerical Measures of Position
for Ungrouped Univariate Data
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. 4-1 The zScore or Standard Score
4-2 Percentiles
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Chapter 5 Exploring Bivariate Data
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5-1 Scatter Plots
. 5-2 Looking for Patterns in the Data
5-3 Correlation
. 5-4 Correlation and Causation
. 5-5 Least-Squares Regression Line
. 5-6 The Coefficient of Determination
Contents
5-7 Residual Plots
5-8 Outliers and Influential Points
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Chapter 6 Expl