Question: Problem 3 - 7 ( Algo ) Freight car loadings over an 1 8 - week period at a busy port are as follows:

Problem 3-7(Algo)
Freight car loadings over an 18-week period at a busy port are as follows:
\table[[Week,Number,Week,Number,Week,Number],[1,270,7,360,13,390],[2,290,8,370,14,400],[3,310,9,380,15,440],[4,290,10,360,16,460],[5,310,11,370,17,480],[6,320,12,380,18,500]]
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a. Determine a linear trend line for expected freight car loadings. (Round your intermediate calcul decimal places.)
 Problem 3-7(Algo) Freight car loadings over an 18-week period at a

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