janelle tracks the number of miles she drives and the number of gallons of gas she has left. what is the…

janelle tracks the number of miles she drives and the number of gallons of gas she has left. what is the linear regression model for this scenario? y = -0.035x + 13.989. what is the correlation coefficient? what is the strength of the model? -0.996 -0.035 0.035 0.996

janelle tracks the number of miles she drives and the number of gallons of gas she has left. what is the linear regression model for this scenario? y = -0.035x + 13.989. what is the correlation coefficient? what is the strength of the model? -0.996 -0.035 0.035 0.996

Answer

Explanation:

Step1: Recall correlation - coefficient concept

The correlation coefficient (r) measures the strength and direction of a linear relationship. The value of (r) ranges from - 1 to 1. The closer (|r|) is to 1, the stronger the linear relationship.

Step2: Identify the correlation - coefficient

Given the linear regression model (y=-0.035x + 13.989), the correlation coefficient (r=-0.996). Since (| - 0.996|\approx1), the strength of the model is very strong.

Answer:

The correlation coefficient is - 0.996 and the strength of the model is very strong.