Chapter 7: Introduction

Introduction: Often, we want to explore relationships between variables. For example we might want to explore the relationship between the unemployment rate each year and U.S. national debt each year. Sometimes variables like this have linear relationships. In this chapter we will not only strive to understand these relationships, but also find the average rates of change (slope) and the equation of a line that can help us make predictions based on that relationship.

Adapted from Preparing for Algebra and Statistics, Third Edition, by Matt Teachout. License: CC BY 4.0. Copyright and sources.