Weight, length, and width of perch. Here are data for 12
Chapter , Problem 10.54(choose chapter or problem)
Weight, length, and width of perch. Here are data for 12 perch caught in a lake in Finland:22 PERCH Weight (grams) Length (cm) Width (cm) Weight (grams) Length (cm) Width (cm) 5.9 8.8 1.4 300.0 28.7 5.1 100.0 19.2 3.3 300.0 30.1 4.6 110.0 22.5 3.6 685.0 39.0 6.9 120.0 23.5 3.5 650.0 41.4 6.0 150.0 24.0 3.6 820.0 42.5 6.6 145.0 25.5 3.8 1000.0 46.6 7.6 In this exercise we will examine different models for predicting weight. (a) Plot weight versus length and weight versus width. Do these relationships appear to be linear? Explain your answer. (b) Run the regression using length to predict weight. Do the same using width as the explanatory variable. Summarize the results. Be sure to include the value of r 2 .
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