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The data set barnacles in the fosdata package has measurements of barnacle density on various coral reefs. A) Find the equation of the regression line

The data set barnacles in the fosdata package has measurements of barnacle density on various coral reefs.

A) Find the equation of the regression line to explain barnacle density as a function of reef depth.

B) Predict the mean number barnacles per square meter for a 30-meter deep reef.

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