Question: I need help please Problem 3-7 (Algo) Freight car loadings over an 18-week period at a busy port are as follows: Week 1 2 3

I need help please

Problem 3-7 (Algo) Freight car loadings over an 18-week period at a busy port are as follows: Week 1 2 3 4 Number 340 345 350 345 350 355 Week 7 8 9 10 Number 405 445 485 480 Week 13 14 15 16 Number 565 570 620 625 630 635 11 12 520 560 17 18 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.) The forecasted demand for Week 20 is and for Week 21 ls Save & E Check a. Deverine autre engre o experience. Round your media coiculations and answers decimal places.) b. Use the above trend equation to predict expected loadings for Weeks 20 & 21. (Round your final answers to 2 decimal places.) The forecasted demand for Week 20 is and for Week 21 c. The manager intends to install new equipment when the volume exceeds 920 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.) I should reach 920 loadings in Week

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