The following is a portion of a classic data set called the, Ask an Expert

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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 regress or X is the organic acid content produced by extraction and weighing.

(a) Plot the data; does it appear that a simple linear regression will be a suitable model?

(b) Fit a simple linear regression; estimate a slope and intercept.

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