The following is a portion of a classic data set called the “pilot plot data" in Fitting Equations to Data by Daniel and Wood, published in 1971. The response y is the acid content of material produced by Titration, whereas the regressor x is the organic acid content produced by extraction and weighing. Plot the data; does it appear that a simple linear regression will be a suitable model?| 12 15 18 22 25 27 30 13 10 4

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