Let's use some housing data to predict the price of a house based on its size. The following are the sizes and prices of houses in the City of Saratoga, CA, in early 2014:
| House size (sq. ft.) | Price |
| 2100 | $ 1,620,000 |
| 2300 | $ 1,690,000 |
| 2046 | $ 1,400,000 |
| 4314 | $ 2,000,000 |
| 1244 | $ 1,060,000 |
| 4608 | $ 3,830,000 |
| 2173 | $ 1,230,000 |
| 2750 | $ 2,400,000 |
| 4010 | $ 3,380,000 |
| 1959 | $ 1,480,000 |
Here's a graphical representation of the same:
