Discuss the below:
Q: We have been given the history of shipping costs below. You have been asked to calculate a linear trend line for this data.
What is the intermediate solution for the value of (ty)ty?
| Week |
Costs |
| 1 |
442930 |
| 2 |
448636 |
| 3 |
459702 |
| 4 |
557628 |