In Testing the Null Hypothesis That the Correlation Coefficient, ρ

question 18

Multiple Choice

In testing the null hypothesis that the correlation coefficient, ρ, equals 0, the correct critical values at 5% significance level are
-In testing the null hypothesis that the correlation coefficient, ρ, equals 0, at α = 0.05

• A) we reject the null hypothesis and conclude there is strong evidence that the true correlation, ρ, is not zero.
• B) we fail to reject the null hypothesis and conclude there is no evidence of an association between total bill and tip.
• C) we reject the alternative hypothesis.
• D) we fail to support the alternative hypothesis.
• E) we know tip and total bill are not related.

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