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Chapter One

# Chapter One - Lecture Notes Chapter One Statistics Data and...

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Lecture Notes Chapter One: Statistics, Data and Statistical Thinking Randall Miller 1 | P a g e 1. The Science of Statistics Definition 1.1 Statistics is the science of data. This involves collecting, classifying, summarizing, organizing, analyzing, and interpreting numerical information. 2. Types of Statistical Applications Definition 1.2 Descriptive statistics utilizes numerical and graphical methods to look for patterns in a data set, to summarize the information revealed in a data set, and to present that information in a convenient form. Definition 1.3 Inferential statistics utilizes sample data to make estimates, decisions, predictions, or other generalizations about a larger set of data. 3. Fundamental Elements of Statistics Definition 1.4 An experimental unit is an object (e.g., person, thing, transaction, or event) about which we collect data. Definition 1.5 A population is a set of units (usually people, objects, transactions, or events) that we are interested in studying.

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Chapter One - Lecture Notes Chapter One Statistics Data and...

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