In a Two-Factor ANOVA,where a Is the Number of Factor

question 47

Multiple Choice

In a two-factor ANOVA,where a is the number of factor A levels and b is the number of factor B levels,the number of degrees of freedom for the interaction term is

• A)(a − 1)(b − 1)
• B)ab − 1
• C)(a − 1)+ (b − 1)
• D)Unknown; need to know the number of replicates.

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