Need math help with the meaning of words

Please define the following words and draw an example. For the last 3 words (18, 19, and 20), you choose the words you want to define.

Word	Meaning	Example
1. piecewise function
2. greatest integer function
3. least integer function
4. Floor Function
5. Ceiling Function
6. Box Plot
7. Coordinate
8. linear model
9. correlation coefficient
10. coefficient of determination
11. Positive association
12. negative association
13. no association
14. ordered pair
15. regression line
16. Slope
17. Outlier
18.
19.
20.