Consider the Partially Completed ANOVA Table Showing the Results of a Regression

question 10

Multiple Choice

Consider the partially completed ANOVA table showing the results of a regression analysis shown.
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$\begin{array}{|lcrcl|}\hline \text { Source of } & {\text { Sum of }} & {\text { Mean }} & \\\text { variation } & \text { squares } & \text { df } & \text { squares } & \text { F-ratio } \\\text { Regression } & 305.1 & 1 & ? & ? \\\text { Residual } & 1247.3 & 24 & ? & \\\text { Total } & 1552.4 & 25 & & \\\hline\end{array}$
-What is a weakness of the ANOVA method compared to the t-test method when performing a significance test on the slope of a regression?

• A) The ANOVA method can't test against null hypothesis slopes different from 0.
• B) The ANOVA method can't use data that has outliers.
• C) The ANOVA method is more prone to Type I error for data with high variance.
• D) The ANOVA method is more prone to Type I error for small sample sizes.

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