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

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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

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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}...

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Correlation: Formula & Types

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Chapter 8 / Lesson 12
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Discover types of correlation coefficients. Identify correlation properties, and see examples of positive correlation, negative correlation, and neutral correlation.


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