Question: A forester seeking information on basic tree dimensions obtains the following measurements of the diameters 4.5 feet above the ground and the heights of 12

A forester seeking information on basic tree dimensions obtains the following measurements of the diameters 4.5 feet above the ground and the heights of 12 sugar maple trees (courtesy of A. Ek). The forester wishes to determine if the diameter measurements can be used to predict the tree height.
(a) Plot the scatter diagram and determine if a straight line relation is appropriate.
(b) Determine an appropriate linearizing transformation. In particular, try x€² = log x, y€² =
log y.
(c)Fit a straight line regression to the transformed data.

(d) What proportion of variability is explained by the fitted model?

56553 5 86264507 12 33434 5 out 92 29 3 34 62 6

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