Essay
Amount of Trees and Beavers
A scientist is studying the relationship between x = density (in number per square metre) of aspen trees around a pond and y = beaver abundance. The following statistical software output is from a regression analysis for predicting y from x. 
s = 0.4839 R-sq = 97.0% R-sq(adj) = 96.5%
Analysis of Variance 
-Refer to Amount of Trees and Beavers. What is the percentage of variation in beaver abundance accounted for by regression on the density of aspen trees?
NAR: Amount of Trees and Beavers
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