Math Problem Statement
The table gives the approximate economic value associated with various levels of oil recovery in a U.S. state. Percent Recovery (%) 10 40 50 80 Economic Value ($ billions) 500 1,200 1,300 2,300 Find the regression line. d(r) =
Solution
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Math Problem Analysis
Mathematical Concepts
Linear Regression
Algebra
Statistics
Formulas
Regression line formula: d(r) = mr + b
Slope formula: m = [n(Σrd(r)) - (Σr)(Σd(r))] / [n(Σr^2) - (Σr)^2]
Intercept formula: b = [Σd(r) - m(Σr)] / n
Theorems
Least Squares Method
Suitable Grade Level
Grades 10-12
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