Question 1
In a linear regression model, what does the term 'slope' indicate?
Question 2
What does a residual represent in a linear regression model?
Question 3
Which of the following is a characteristic of a good linear regression model?
Question 4
If the regression equation is $\hat{y} = 4x + 3$, what is the predicted value of $y$ when $x = 2$?
Question 5
What does a correlation coefficient of 1 indicate?
