Forestry. The figure contains a scatter plot of 100 data points for black spruce trees and the linear regression model for this data.
(A) Interpret the slope of the model.
(B) What is the effect of a 1-in. increase in Dbh?
(C) Estimate the height of a black spruce with a Dbh of 15 in. Round your answer to the nearest foot.
(D) Estimate the Dbh of a black spruce that is 25 ft tall. Round your answer to the nearest inch.
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