Suppose we also had data on a second treadmill, made by LifeFitness. An
Chapter 0, Problem 28.40(choose chapter or problem)
Suppose we also had data on a second treadmill, made by LifeFitness. An indicatorvariable for brand of treadmill, say Treadmill = 1 for Cybex and Treadmill = 0 forLifeFitness, is created for a new model. If the three explanatory variables aboveand the new indicator variable Treadmill were used to predict Calories, how many parameters would need to be estimated in the new multiple regression model?(a) 4 (b) 5 (c) 6
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