The Port of Savannah is considering an expansion of its container terminal. The port has experienced the following container throughput during the past 12 years, expressed as TEUs

(i.e., 20-foot equivalent units, a standard unit of measure for containers):

Year TEUs (1,000s)

1 526.1 2 549.4 3 606.0 4 627.0 5 695.7 6 734.9 7 761.1 8 845.4 9 1,021.1 10 1,137.1 11 1,173.6 12 1,233.4

a. Develop a linear trend line forecast for these data and forecast the number of TEUs for year 13.

b. How strong is the linear relationship for these data? LO.1