Summary: This module provides an overview of Linear Regression and Correlation: Slope and YIntercept of a Linear Equation as a part of Collaborative Statistics collection (col10522) by Barbara Illowsky and Susan Dean.
For the linear equation
From algebra recall that the slope is a number that describes the steepness of a line and
the yintercept is the y coordinate of the point

Svetlana tutors to make extra money for college. For each tutoring
session, she charges a one time fee of $25 plus $15 per hour of tutoring.
A linear equation that expresses the total amount of money Svetlana earns for each session
she tutors is
What are the independent and dependent variables? What is the yintercept and what is the slope? Interpret them using complete sentences.
The independent variable (x) is the number of hours Svetlana tutors each session. The dependent variable (y) is the amount, in dollars, Svetlana earns for each session.
The yintercept is 25 (a = 25). At the start of the tutoring session, Svetlana charges a onetime fee of $25 (this is when x = 0). The slope is 15 (b = 15). For each session, Svetlana earns $15 for each hour she tutors.
"Reviewer's Comments: 'I recommend this book. Overall, the chapters are very readable and the material presented is consistent and appropriate for the course. A wide range of exercises introduces […]"