In the Two-Factor ANOVA Where a Is the Number of Factor

question 145

Multiple Choice

In the two-factor ANOVA where a is the number of factor A levels,b is the number of factor B levels,r is the number of replicates,and n is the total number of observations,the number of degrees of freedom for error is:

• A) (a -1)(b -1)
• B) abr - 1
• C) r(a - 1)(b - 1)
• D) n - ab