How do you find the r value of a linear regression equation?

Question:

How do you find the r value of a linear regression equation?

Correlation Coefficient

A correlation coefficient, r, measures the correlation or relationship between two variables. If two variables are not correlated at all, the value of r is 0. On the other hand, if two variables have perfect, positive, linear correlation, the value of r is 1.

Answer and Explanation: 1

Become a Study.com member to unlock this answer!

View this answer

The value of the correlation coefficient r, can be determined using the following formula:

{eq}r = \dfrac{\sum \left ( \dfrac{x_i-\bar{x}}{S_x}...

See full answer below.


Learn more about this topic:

Loading...
Correlation: Formula & Types

from

Chapter 8 / Lesson 12
14K

Discover types of correlation coefficients. Identify correlation properties, and see examples of positive correlation, negative correlation, and neutral correlation.


Related to this Question

Explore our homework questions and answers library