# 7.4: Linear Regression Equations

Difficulty Level:

**Basic**Created by: CK-12
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correlation coefficient

correlation coefficient

and the**are both standard quantitative measures of best fit. The correlation coefficient has values from to 1, and the closer the value is to or 1, the better the fit. If the correlation coefficient is negative, the correlation is negative, and if it is positive, the correlation is positive. The coefficient of determination is the correlation coefficient squared and has values from 0 to 1. The closer the value is to 1, the better the fit.**

*coefficient of determination*coefficient of determination

coefficient of determination

The coefficient of determination is the square of the correlation coefficient and therefore has values from 0 to 1.correlation coefficient

correlation coefficient

The correlation coefficient is a standard quantitative measure of best fit of a line. It has the symbol r and has values from -1 to +1.### Image Attributions

## Description

Use a calculator to create a scatter plot and to determine the equation of the line of best fit.

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## Difficulty Level:

Basic## Authors:

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## Date Created:

Feb 24, 2012## Last Modified:

May 31, 2015## Vocabulary

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