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The Nature of Probability and Statistics

The Nature of Probability and Statistics. Chapter 1. Outline. 1-1 Introduction 1-2 Descriptive &amp; Inferential Statistics 1-3 Variables &amp; Types of Data 1-4 Data Collection &amp; Sampling Techniques 1-5 Observational &amp; Experimental Studies 1-6 Uses &amp; Misuses of Statistics

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Chapter 1.2

Chapter 1.2. Variables and Types of Data. Variables. Qualitative variables are variables that can be placed into distinct categories, according to some characteristic or attribute. Example: gender Quantitative variables are numerical and can be ordered or ranked. Example: age.

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