Linear trend estimation, Freight car loadings over an

Linear trend estimation

Assignment Help Advanced Statistics

Reference no: EM13114257

Freight car loadings over an 18-week period at a busy port are:

Week Number

1 220

2 245

3 293

4 275

5 332

6 310

7 350

8 360

9 427

10 380

11 432

12 450

13 477

14 475

15 538

16 510

17 532

18 541

a). Compute a linear trend line for freight car loadings:

Y=___+___t

b). Use the trend equation to predict loadings for weeks 25 and 26:

The forecasted demand for week 25 and 26 is ____ and ____ respectively

c). The manager intends to install new equipment when the volume reaches 829 loadings per week. Assuming the current trend continues, the loading volume will reach that level in approximately what week?

It would take approximately _15_ more weeks

Reference no: EM13114257

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