# Finding the Line of Best Fit

## Fitting Linear Models to Data

#### Learning Objectives

In this section, you will:

- Draw and interpret scatter diagrams.
- Use a graphing utility to find the line of best fit.
- Distinguish between linear and nonlinear relations.
- Fit a regression line to a set of data and use the linear model to make predictions.

A professor is attempting to identify trends among final exam scores. His class has a mixture of students, so he wonders if there is any relationship between age and final exam scores. One way for him to analyze the scores is by creating a diagram that relates the age of each student to the exam score received. In this section, we will examine one such diagram known as a scatter plot.

Source: Rice University, https://openstax.org/books/college-algebra/pages/4-3-fitting-linear-models-to-data

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