Data
| Month | Sales | Price |
| 1 | $400,000 | $15 |
| 2 | $1,042,000 | $12 |
| 3 | $1,129,000 | $24 |
| 4 | $1,110,000 | $18 |
| 5 | $1,336,000 | $18 |
| 6 | $1,363,000 | $30 |
| 7 | $1,177,000 | $27 |
| 8 | $603,000 | $24 |
| 9 | $582,000 | $36 |
| 10 | $697,000 | $27 |
| 11 | $586,000 | $24 |
| 12 | $673,000 | $27 |
| 13 | $546,000 | $30 |
| 14 | $334,000 | $33 |
| 15 | $27,000 | $24 |
| 16 | $76,000 | $27 |
| 17 | $298,000 | $30 |
| 18 | $746,000 | $18 |
| 19 | $962,000 | $21 |
| 20 | $907,000 | $24 |
This is fictitious data.
