Which of the following statements is true regarding a one-way ANOVA? A) Three df values are required to determine F_crit. B) There are no two-tailed tests. C) Obtained F-values can be either positive or negative. D) If H₀ is true, F_obt will be 0.

Question

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In a one-way ANOVA, there are no two-tailed tests as the null hypothesis is always that all group means are equal. Therefore, it is a one-tailed test. Option A is incorrect as only one df value is required to determine F_crit. Option C is incorrect as the F-value is always positive. Option D is incorrect as F_obt is only 0 when there is no variation between the groups (perfect homogeneity).

Which of the Following Statements Is True Regarding a One-Way