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Textbook Expert
Textbook ExpertVerified Tutor
17 Nov 2021

Given information

Homicide rates and population of White males:

Step-by-step explanation

Step 1.

The correlation coefficient, or Pearson product-moment correlation coefficient (PMCC) is a numerical value which lies between  and  and expresses the strength of linear relationship between two variables. When  is closer to , indicates a strong positive relationship. Value of  indicates that there is no relationship. Values close to  defines a strong negative relationship between the two variables. 

Simple linear regression is a way to describe a relationship between two variables through an equation of a straight line.

 

By using the following formula we derive the equation for the line of best fit:   

 

Here,

  

 

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