# Chapter 1 Introduction to Statistics Looking Ahead What Is This Chapter About When a student came to me recently for help with statistics I posed the question “What is the chapter about ” Th by gks27426

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```									Chapter 1: Introduction to Statistics

When a student came to me recently for help with statistics, I posed the question, “What is the chapter
up, I provide a brief overview at the beginning of each chapter.
This chapter begins with a discussion of what statistics is and why you should study it. I then share tips
for studying statistics and define some basic concepts: population, sample, and random sample. You will
learn that there are two broad categories of statistics: descriptive statistics and inferential statistics. The
chapter continues with a discussion of the way mathematicians classify variables and the rules
psychologists and others use to assign numbers to characteristics of people. For history buffs, I end the
chapter with a brief description of the origins of statistics.
After reading the chapter, you should know the following:
■ What statistics is
■ Why you should study it (although you might prefer almost any other form
■ of torture)
■ How to study statistics
■ The meaning of basic concepts such as population, sample, and random sample
■ The two broad categories of statistics
■ The way mathematicians classify variables and the way psychologists measure
■ characteristics
■ The origins of statistics

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