Need help with my discussion questions.

1. coefficient of determination vs. correlation.

2. what reasons to use correlation?

3. What is Residual analysis?

4.What are the shortcomings and pitfalls of multiple regression analysis?

5. What is the standard error of the estimate and give example?

6. What is partial regression coefficient?

7. What is Total quality management (TQM)?

8. what is Demings 14 points?

My professor ask that we Please do not copy and paste from the Internet or the textbook use your own words