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Posted: **Tue Jul 05, 2022 11:42 am**

: E Ces Freight Car Loadings Over An 18 Week Period At A Busy Port Are As Follows Week 1 Number 240 Week 7 2 8 3 9 4 10 1 1 (28.99 KiB) Viewed 10 times

: E Ces Freight Car Loadings Over An 18 Week Period At A Busy Port Are As Follows Week 1 Number 240 Week 7 2 8 3 9 4 10 1 2 (12.5 KiB) Viewed 10 times

: E Ces Freight Car Loadings Over An 18 Week Period At A Busy Port Are As Follows Week 1 Number 240 Week 7 2 8 3 9 4 10 1 3 (26.46 KiB) Viewed 10 times

E ces Freight car loadings over an 18-week period at a busy port are as follows: Week 1 Number 240 Week 7 2 8 3 9 4 10 11 12 5 6 255 270 255 270 275 Number 305 345 385 370 410 450 Week 13 14 15 16 17 18 The forecasted demand for Week 20 is Number 455 460 490 505 520 535 Click here for the Excel Data File 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.) and for Week 21 is
c. The manager intends to install new equipment when the volume exceeds 820 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, as required, from any previous part of this problem. Do not round any other intermediate calculations. Round your final answer to 2 decimal places.) It should reach 820 loadings in Week
1 234 SST8 3 5 6 7 A Week 1 12 2 3 4 5 6 B Number 240 255 270 255 270 275 C Week 7 8 9 10 11 12 D Number 305 345 385 370 410 450 E Week 13 14 15 16 17 18 S F Number 455 460 490 505 520 535 G