Question: The relationship between SqFt and SqFt2. Using the data set for Example 11.19, plot SqFt2 versus SqFt. Describe the relationship. We know that it is

The relationship between SqFt and SqFt2. Using the data set for Example 11.19, plot SqFt2 versus SqFt. Describe the relationship. We know that it is not linear, but is it approximately linear? What is the correlation between SqFt and SqFt2? The plot and correlation demonstrate that these variables are collinear and explain why neither of them contributes much to a multiple regression once the other is present.

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