Elementary Point of View
Michael J. Panik
University of Hartford
Contents
Preface xv
1 Introduction 1
1.1 Statistics Defined 1
1.2 Types of Statistics 1
1.3 Levels of Discourse: Sample vs. Population 2
1.4 Levels of Discourse: Target vs. Sampled Population 4
1.5 Measurement Scales 5
1.6 Sampling and Sampling Errors 7
1.7 Exercises 7
2 Elementary Descriptive Statistical Techniques 9
2.1 Summarizing Sets of Data Measured on a Ratio or Interval Scale 9
2.2 Tabular Methods 11
2.3 Quantitative Summary Characteristics 16
2.3.1 Measures of Central Location 16
2.3.2 Measures of Dispersion 21
2.3.3 Standardized Variables 26
2.3.4 Moments 29
2.3.5 Skewness and Kurtosis 31
2.3.6 Relative Variation 33
2.3.7 Comparison of the Mean, Median, and Mode 34
2.3.8 The Sample Variance and Standard Deviation 35
2.4 Correlation between Variables X and Y 38
2.5 Rank Correlation between Variables X and Y 42
2.6 Exercises 46
3 Probability Theory 53
3.1 Mathematical Foundations: Sets, Set Relations, and Functions 53
3.2 The Random Experiment, Events, Sample Space, and the Random
Variable 59
- Advanced Statistics from an Elementary Point of View.pdf