Freight car loadings during an 18-week period at a port are:
Week Number
1). 216
2) 242
3) 278
4) 260
5) 301
6) 319
7) 341
8) 369
9) 397
10) 370
11) 422
12) 449
13) 468
14) 476
15) 504
16) 510
17) 533
18) 542
Compute a linear trend line for freight car loadings. (Use of Excel’s Trendline, with display Equation on chart option, is recommended).
(Round the final answers to 3 decimal places.)