Find the best linear model per sub-item by trying all the possible lines passing through any possible two points of the data set. a. x 1.0 2.3 3.7 4.2 6.1 7.0 y 3.6 3.0 3.2 5.1 5.3 6.8 b. x 29.1 48.2 72.7 92.0 118 140 165 199 y 0.0493 0.0821 0.123 0.154 0.197 0.234 0.274 0.328 c. x 2.5 3.0 3.5 4.0 4.5 5.0 5.5 y 4.32 4.83 5.27 5.74 6.26 6.79 7.23

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A: Step 1:na Step 2: Step 3: Step 4:

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A: Step 1: Step 2: Step 3: Step 4: