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The price of lumber is typically a nonlinear distribution. Here are the current prices at a popular home improvement store for 2 x 4 lumber

The price of lumber is typically a nonlinear distribution. Here are the current prices at a popular home improvement store for 2" x 4" lumber in different lengths.

length - feet price
8 $5.11
10 $7.58
12 $9.12
16 $12.87

  • Using the above data, what is the equatio for the quadratic regression model, in r2?

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