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The shear strength of the bond between two types of propellant is important in the manufacturing of a rocket motor. An investigator is interested in
The shear strength of the bond between two types of propellant is important in the manufacturing of a rocket motor. An investigator is interested in whether the age of the propellant is related to the shear strength? Data from 20 paired observations were used to fit a a least-squares simple linear regression model predicting shear strength from propellant age (in weeks). The equation for the regression is given by y^=100038x. What is the correct interpretation of the slope parameter
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