Question: Homework 1 - Ch.3 i 4 10 points Skipped eBook Print References Help Save & Exit Submit Check my work Saved Problem 3-7 (Static) Freight

Homework 1 - Ch.3 i 4 10 points Skipped eBookHomework 1 - Ch.3 i 4 10 points Skipped eBookHomework 1 - Ch.3 i 4 10 points Skipped eBook

Homework 1 - Ch.3 i 4 10 points Skipped eBook Print References Help Save & Exit Submit Check my work Saved Problem 3-7 (Static) Freight car loadings over an 18-week period at a busy port are as follows: Week Week Number Week 1 Number 220 Number 350 7 13 460 2 245 8 360 14 475 3 280 9 400 15 500 4 275 10 380 16 510 5 300 11 420 17 525 6 310 12 450 18 541 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.) = t eBook Print References c. The manager intends to install new equipment when the volume exceeds 800 loadings per week. Assuming the current trend continues, the loading volume will reach that level in approximately how many more weeks? (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 would take approximately more weeks. b. Use the trend equation to predict expected loadings for weeks 20 and 21. (Round your final answers to 2 decimal places.) The forecasted demand for week 20 and 21 is and respectively

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