A researcher is interested in drawing a trend line for the cost of a vital part using regression. No
Question: A researcher is interested in drawing a trend line for the cost of a vital part using regression. Note: 1994 = 0; 1995 = 1; 1996 = 2; etc.
| Time (X) | Cost of a part (Y) |
| 0 (1994) | 10 |
| 1 | 12 |
| 2 | 15 |
| 3 | 18 |
| 4 | 18 |
| 5 | 16 |
| 6 (2000) | 19 |
| 7 | 22 |
| 8 | 25 |
| 9 | 30 |
| 10 | 35 |
| 11 | 32 |
| 12 | 31 |
| 13 | 35 |
| 14 (2008) | 40 |
∑X = 105; ∑Y = 358; ∑XY = 3,075; ∑X2 = 1,015; ∑ Y2 = 9,778
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Solution: The answer consists of 3 pages
Deliverables: Word Document
Deliverables: Word Document
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