The following data includes the year, make, model, mileage (in thousands of miles) and asking price (in US dollars) for each of 13 used Honda Odyssey minivans. The data was collected from the Web site of the Seattle P-I on April 25, 2005.
Compute the correlation between age (in years) and price for these minivans. (Assume the correlation conditions have been satisfied and round your answer to the nearest 0.001.)
| year | make | model | mileage | price |
| 2004 | Honda | Odyssey EXL | 20 | 26900 |
| 2004 | Honda | Odyssey EX | 21 | 23000 |
| 2002 | Honda | Odyssey | 33 | 17500 |
| 2002 | Honda | Odyssey | 41 | 18999 |
| 2001 | Honda | Odyssey EX | 43 | 17200 |
| 2001 | Honda | Odyssey EX | 67 | 18995 |
| 2000 | Honda | Odyssey LX | 46 | 13900 |
| 2000 | Honda | Odyssey EX | 72 | 15250 |
| 2000 | Honda | Odyssey EX | 82 | 13200 |
| 2000 | Honda | Odyssey | 99 | 11000 |
| 1999 | Honda | Odyssey | 71 | 13900 |
| 1998 | Honda | Odyssey | 85 | 8350 |
| 1995 | Honda | Odyssey EX | 100 | 5800 |
Compute the correlation between age (in years) and price for these minivans. (Assume the correlation conditions have been satisfied and round your answer to the nearest 0.001.)