a. Determine a linear trend line for expected freight car loadings. (Round your intermediate calculations and final
Fantastic news! We've Found the answer you've been seeking!
Question:
a. Determine a linear trend line for expected freight car loadings. (Round your intermediate calculations and final answers to 2 decimal places.)
b. Use the above trend equation to predict expected loadings for Weeks 20 & 21. (Round your final answers to 2 decimal places.)
c. The manager intends to install new equipment when the volume exceeds 830 loadings per week. Assuming the current trend continues, in which week (at the earliest) should the loading volume reach that level? (Use the rounded answers, Do not round any other intermediate calculations. Round your final answer to 2 decimal places.)
Freight car loadings over 18 weeks at a busy port are as follows:
Week | Number | Week | Number | Week | Number |
1 | 250 | 7 | 295 | 13 | 410 |
2 | 260 | 8 | 325 | 14 | 415 |
3 | 270 | 9 | 355 | 15 | 435 |
4 | 260 | 10 | 345 | 16 | 445 |
5 | 270 | 11 | 375 | 17 | 455 |
6 | 275 | 12 | 405 | 18 | 465 |
Related Book For
Posted Date: