As the carbon content in steel increases, its ductility tends to decrease.A researcher at a steel company measures carbon content and ductility for a sample of 15 types of steel
Resulting in a correlation of -0.640.The calculated value of the t-statistic to test for a
Significant association between carbon content and ductility is
A)-3.01
B)4.692
C)-4.692
D)5.09
E)2.363

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The Answer of As the carbon content in steel increases, its ductility tends to decrease.A researcher at a steel company measures carbon content and ductility for a sample of 15 types of steel
Resulting in a correlation of -0.640.The calculated value of the t-statistic to test for a
Significant association between carbon content and ductility is
A)-3.01
B)4.692
C)-4.692
D)5.09
E)2.363

As the Carbon Content in Steel Increases, Its Ductility Tends