To Test the Null Hypothesis H₀: μ₁ = μ₂ =

question 15

Multiple Choice

To test the null hypothesis H₀: μ₁ = μ₂ = μ₃ using samples from normal populations with unknown but equal variances, we:

• A)cannot safely use ANOVA.
• B)can safely employ ANOVA.
• C)would prefer three separate t-tests.
• D)would need three-factor ANOVA.

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