Page 345 - qrps

Basic HTML Version

© 2014 Pacific Crest
345
3. What role do the z-scores play in calculating the correlation coefficient?
4. How do you determine if the relationship between two variables is linear?
5. Why must the point (
x, y
) be on the linear regression equation line?
6. Why is the slope of the linear regression equation related to the correlation coefficient?
7.4 Simple Linear Regression