If we are interested in determining whether two variables are linearly related,it is necessary to: A)perform the t-test of the slope β₁. B)perform the t-test of the coefficient of correlation ρ. C)either a or b since they are identical. D)None of these choices.

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Quizplus · Accepted Answer

The t-test of the slope (β) and the t-test of the coefficient of correlation (ρ) are essentially testing the same hypothesis regarding the linear relationship between two variables. Both tests aim to determine if there is a statistically significant linear relationship between the variables.

If We Are Interested in Determining Whether Two Variables Are