Introduction |
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xvii | |
Acknowledgments |
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xxi | |
About the Author |
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xxiii | |
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1 | (40) |
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Purpose: Making Sense of What We Observe |
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1 | (1) |
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Deciding How to Represent Properties of a Phenomenon |
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2 | (1) |
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Describing Differences or Explaining Differences Between Phenomena? |
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2 | (1) |
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Deciding How to Collect Observations |
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3 | (2) |
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Chapter 1 "Why" Conduct Research, and "Why" Use Statistics? |
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5 | (22) |
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5 | (1) |
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5 | (2) |
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1.2 Representation and Modeling |
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7 | (5) |
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Differentiation and Variability |
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7 | (1) |
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Observation Is an Active Process of Cognition |
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7 | (2) |
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Quantitative or "Scale" Assessments |
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9 | (1) |
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Ordinal Scale Assessments |
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10 | (1) |
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11 | (1) |
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1.3 A Special Case: Investigating Subjective Behavior |
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12 | (1) |
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1.4 Reasons for an Empirical Investigation |
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13 | (7) |
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13 | (1) |
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14 | (2) |
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The Role of Theory in an Explanatory Investigation |
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16 | (1) |
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Some Concluding Remarks on Explanatory Research |
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17 | (3) |
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20 | (3) |
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23 | (1) |
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1.7 Some Formal Terminology (Optional) |
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23 | (4) |
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Chapter 2 Methods of Quantitative Empirical Investigation |
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27 | (14) |
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27 | (1) |
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27 | (1) |
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2.2 Instrumentation: Choosing a Tool to Assess a Property of Interest |
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28 | (2) |
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2.3 Limited Focus or Intent to Generalize |
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30 | (2) |
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30 | (1) |
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31 | (1) |
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2.4 Controlled or Natural Observations |
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32 | (3) |
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32 | (3) |
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35 | (1) |
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2.5 Applied Versus Pure Research |
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35 | (2) |
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37 | (1) |
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38 | (3) |
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PART II DESCRIPTIVE STATISTICS |
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41 | (136) |
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Organizing and Describing a Set of Observations |
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41 | (1) |
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Measuring the Variability in a Set of Observations |
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42 | (1) |
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Describing a Set of Observations in Terms of Their Variability |
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42 | (1) |
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Chapter 3 The Frequency Distribution Report: Organizing a Set of Observations |
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43 | (38) |
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43 | (1) |
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3.1 Motivation: Comparing, Sorting, and Counting |
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44 | (1) |
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3.2 Constructing a Sample Frequency Distribution for a "Qualitative" Property |
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45 | (7) |
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The Frequency Distribution Report |
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46 | (1) |
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The Relative Frequency Distribution Report |
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47 | (2) |
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Pictorial Presentations of the Relative Frequency Distribution |
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49 | (2) |
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Interpreting the Analysis |
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51 | (1) |
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3.3 Constructing a Sample Frequency Distribution for an "Ordinal" Property |
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52 | (6) |
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The Frequency Distribution Report |
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54 | (1) |
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The Relative Frequency Distribution Report |
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54 | (1) |
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Pictorial Presentations of the Relative Frequency Distribution |
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55 | (2) |
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57 | (1) |
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3.4 Some Important Technical Notes |
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58 | (2) |
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Categories, Values, and Counts |
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58 | (1) |
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One Phenomenon---One Value |
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58 | (1) |
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Central Tendencies, Averages, and Norms |
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58 | (1) |
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59 | (1) |
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60 | (1) |
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61 | (17) |
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62 | (2) |
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64 | (7) |
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71 | (7) |
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78 | (3) |
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Chapter 4 The Mode, the Median, and the Mean: Describing a Typical Value of a Quantitative Property Observed for a Set of Phenomena |
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81 | (30) |
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81 | (1) |
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82 | (1) |
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4.2 A Cautionary Note Regarding Quantitatively Assessed Properties |
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83 | (3) |
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4.3 Constructing a Sample Frequency Distribution for a Quantitative Property |
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86 | (7) |
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The Frequency Distribution Report |
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87 | (1) |
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The Relative Frequency Distribution Report |
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88 | (1) |
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Pictorial Representations of the Relative Frequency Distribution |
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89 | (2) |
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The Informational Content of the Relative Frequency Distribution Report |
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91 | (2) |
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4.4 Identifying a Typical Phenomenon from a Set of Phenomena |
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93 | (1) |
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4.5 Assessing and Using the Median of a Set of Observations |
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94 | (5) |
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The Cumulative Relative Frequency Distribution Report |
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95 | (2) |
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Pictorial Depictions of the Cumulative Relative Frequency Distribution Report |
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97 | (2) |
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4.6 Assessing and Using the Mean of a Set of Observations |
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99 | (6) |
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The Mean of a Set of Observations and the Method of Moments |
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100 | (3) |
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A Technical Note on Assessing the Mean for a Set of Observations |
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103 | (2) |
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4.7 Interpreting and Comparing the Mode, the Median, and the Mean |
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105 | (1) |
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106 | (1) |
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107 | (1) |
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108 | (3) |
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Chapter 5 The Variance and the Standard Deviation: Describing the Variability Observed for a Quantitative Property of a Set of Phenomena |
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111 | (48) |
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111 | (1) |
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112 | (3) |
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Comparing the Highest and Lowest Observed Values |
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112 | (1) |
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Variation Assessed Through One-To-One Comparisons |
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113 | (1) |
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Variation Assessed Through Comparison with a Reference Point |
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113 | (2) |
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5.2 A Case Example: The Frequency Distribution Report |
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115 | (2) |
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5.3 The Range of a Set of Observations |
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117 | (1) |
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5.4 The Mean Absolute Difference |
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118 | (3) |
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5.5 The Variance and the Standard Deviation |
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121 | (7) |
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A Model of Natural Variation |
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121 | (2) |
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Variation Versus Differentiation |
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123 | (1) |
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The Method of Moments and the Variance |
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124 | (1) |
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125 | (1) |
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Assessing the Standard Deviation |
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126 | (2) |
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5.6 Interpreting the Variance and the Standard Deviation |
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128 | (3) |
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Variance or Standard Deviation? |
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128 | (1) |
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Normal Variation or Differentiation? |
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128 | (3) |
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5.7 Comparing the Mean Absolute Difference and the Standard Deviation |
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131 | (1) |
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5.8 A Useful Note on Calculating the Variance |
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131 | (4) |
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5.9 A Note on Modeling and the Assumption of Variability |
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135 | (1) |
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135 | (1) |
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136 | (13) |
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149 | (3) |
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5.13 The Method of Moments (Optional) |
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152 | (5) |
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Comparing the Different Moments: An Example |
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153 | (4) |
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5.14 A Distribution of "Squared Differences from a Mean" (Optional) |
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157 | (2) |
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Chapter 6 The z-Transformation and Standardization: Using the Standard Deviation to Compare Observations |
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159 | (18) |
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159 | (1) |
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159 | (3) |
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Comparing Two Phenomena Using the Standard Deviation |
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160 | (1) |
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Comparing Each Phenomenon with the "Typical" Phenomenon |
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160 | (1) |
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The Standardized Frequency Distribution |
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161 | (1) |
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6.2 Executing the z-Transformation |
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162 | (3) |
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165 | (6) |
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171 | (1) |
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172 | (5) |
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PART III STATISTICAL INFERENCE AND PROBABILITY |
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177 | (94) |
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177 | (1) |
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The Concept of a Probability |
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178 | (1) |
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Predicting Events Involving Two Coexisting Properties |
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179 | (1) |
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Sampling and the Normal Probability Model |
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179 | (2) |
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Chapter 7 The Concept of a Probability |
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181 | (28) |
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181 | (1) |
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181 | (2) |
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182 | (1) |
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182 | (1) |
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7.2 Uncertainty, Chance, and Probability |
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183 | (1) |
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7.3 Selection Outcomes and Probabilities |
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183 | (1) |
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7.4 Events and Probabilities |
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184 | (4) |
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7.5 Describing a Probability Model for a Quantitative Property |
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188 | (18) |
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190 | (3) |
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The Expected Value of a Random Variable |
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193 | (3) |
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A Note on Calculating the Expected Value |
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196 | (1) |
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The Expected Variation in a Random Variable |
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196 | (6) |
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A Note on Calculating the Variance |
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202 | (2) |
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The z-Transformation and Standardization |
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204 | (2) |
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206 | (2) |
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208 | (1) |
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Chapter 8 Coexisting Properties and Joint Probability Models |
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209 | (24) |
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209 | (1) |
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209 | (1) |
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8.2 Probability Models Involving Coexisting Properties |
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210 | (3) |
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8.3 Models of Association, Conditional Probabilities, and Stochastic Independence |
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213 | (3) |
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8.4 Covariability in Two Quantitative Properties |
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216 | (9) |
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Representing Coexisting Properties of a Phenomenon as an Interaction |
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218 | (1) |
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219 | (6) |
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8.5 Importance of Stochastic Independence and Covariance in Statistical Inference |
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225 | (2) |
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227 | (2) |
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229 | (4) |
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229 | (2) |
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Constructing a Probability Model of a Non-Association |
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231 | (2) |
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Chapter 9 Sampling and the Normal Probability Model |
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233 | (38) |
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233 | (1) |
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233 | (1) |
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234 | (6) |
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9.3 Bernoulli Trials and the Binomial Distribution |
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240 | (13) |
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241 | (1) |
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242 | (2) |
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244 | (2) |
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A Family of Binomial Distributions |
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246 | (7) |
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9.4 Representing the Character of a Population |
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253 | (1) |
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9.5 Predicting Potential Samples from a Known Population |
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253 | (6) |
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9.6 The Normal Distribution |
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259 | (3) |
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9.7 The Central Limit Theorem |
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262 | (2) |
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9.8 Normal Sampling Variability and Statistical Significance |
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264 | (2) |
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266 | (1) |
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267 | (4) |
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PART IV TOOLS FOR MAKING STATISTICAL INFERENCES |
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271 | (136) |
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271 | (1) |
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271 | (4) |
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Chapter 10 Estimation Studies: Inferring the Parameters of a Population from the Statistics of a Sample |
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275 | (24) |
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275 | (1) |
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275 | (2) |
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10.2 Estimating the Occurrence of a Qualitative Property for a Population |
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277 | (6) |
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10.3 Estimating the Occurrence of a Quantitative Property for a Population |
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283 | (8) |
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10.4 Some Notes on Sampling |
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291 | (1) |
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291 | (1) |
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292 | (1) |
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292 | (1) |
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293 | (1) |
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294 | (5) |
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Chapter 11 Chi-Square Analysis: Investigating a Suspected Association Between Two Qualitative Properties |
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299 | (28) |
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299 | (1) |
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299 | (1) |
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300 | (11) |
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Establishing Whether a Relationship Exists Between Two Properties |
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301 | (2) |
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Determining Whether a Relationship Suggested by a Sample Is Significant |
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303 | (8) |
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11.3 An Extension: Testing the Statistical Significance of Population Proportions |
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311 | (1) |
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312 | (2) |
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314 | (11) |
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325 | (2) |
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Chapter 12 The t-Test of Statistical Significance: Comparing a Quantitative Property Assessed for Two Different Groups |
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327 | (20) |
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327 | (1) |
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328 | (1) |
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328 | (2) |
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12.3 Comparing Sample Means Using the Central Limit Theorem (Optional) |
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330 | (2) |
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12.4 Comparing Sample Means Using the t-Test |
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332 | (4) |
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336 | (2) |
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338 | (6) |
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344 | (3) |
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Chapter 13 Analysis of Variance: Comparing a Quantitative Property Assessed for Several Different Groups |
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347 | (20) |
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347 | (1) |
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348 | (1) |
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349 | (1) |
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350 | (6) |
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13.4 A Note on Sampling Distributions (Optional) |
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356 | (2) |
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358 | (1) |
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359 | (5) |
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364 | (3) |
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Chapter 14 Correlation Analysis and Linear Regression: Assessing the Covariability of Two Quantitative Properties |
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367 | (40) |
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367 | (1) |
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368 | (2) |
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370 | (1) |
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14.3 Visual Interpretation with a Scatter Plot (Optional] |
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371 | (2) |
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14.4 Assessing an Association as a Covariance |
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373 | (6) |
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14.5 Regression Analysis: Representing a Correlation as a Linear Mathematical Model |
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379 | (4) |
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14.6 Assessing the Explanatory Value of the Model |
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383 | (6) |
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389 | (3) |
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392 | (12) |
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404 | (3) |
Index |
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407 | |