In a study of the relationship between the Brinell hardness (x) and tensile strength in
Chapter 7, Problem 2(choose chapter or problem)
In a study of the relationship between the Brinell hardness \((x)\) and tensile strength in ksi \((y)\) of specimens of cold drawn copper, the least-squares line was \(y=-196.32+2.42x\).
a. Predict the tensile strength of a specimen whose Brinell hardness is 102.7.
b. If two specimens differ in their Brinell hardness by 3, by how much do you predict their tensile strengths to differ?
Equation Transcription:
Text Transcription:
(x)
(y)
y=-196.32+2.42x
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