If J = 3, which of the following sets of contrasts is orthogonal?
A) $\mu$ 1 -$\mu$ 2 ,$\mu$ 1 -$\mu$ 3
B) $\mu$ 2 +$\mu$ 3 ,$\mu$ 2 -$\mu$ 3
C) $\mu$ 1 -$\mu$ 3 ,$\mu$ 1 ($\mu$ 2 +$\mu$ 3 )/2
D) $\mu$ 1 -$\mu$ 3 ,$\mu$ 2 -($\mu$ 1 +$\mu$ 3 )/2

Question

If J = 3, which of the following sets of contrasts is orthogonal?
A) $\mu$ 1 -$\mu$ 2 ,$\mu$ 1 -$\mu$ 3 
B) $\mu$ 2 +$\mu$ 3 ,$\mu$ 2 -$\mu$ 3 
C) $\mu$ 1 -$\mu$ 3 ,$\mu$ 1 ($\mu$ 2 +$\mu$ 3 )/2
D) $\mu$ 1 -$\mu$ 3 ,$\mu$ 2 -($\mu$ 1 +$\mu$ 3 )/2

Quizplus · Accepted Answer

The Answer is D

If J = 3, Which of the Following Sets of Contrasts