If a simple linear regression model is developed based on a sample where the independent and dependent variables are known to be positively related, then the sign of the slope regression coefficient will be positive also.

Question

Quizplus · Accepted Answer

If two variables are known to be positively related, a change in the independent variable will result in a corresponding change in the dependent variable in the same direction. Therefore, a simple linear regression model developed between these variables will have a positive slope regression coefficient, indicating the same positive relationship between the two variables.

If a Simple Linear Regression Model Is Developed Based on a Sample