An engineer wants to determine the spring constant for a particular spring. She hangs various weights on one end of the spring and measures the length of the spring each time. A scatterplot of length (y) versus load (x) is depicted in the following figure. Inad a Is the model y = P, +B, x an empirical model or a physical law? b. Should she transform the variables to try to make the relationship more linear, or would it be better to redo the experiment? Explain.

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