Consider a completely randomized design with k treatments. Assume all pairwise comparisons of treatment means are to be made using a multiple comparisons procedure. Determine the total number of treatment means to be compared for the value k = 8.
A) 28
B) 8
C) 36
D) 16

Question

Quizplus · Accepted Answer

The total number of pairwise comparisons for k treatments is given by the combination formula C(k, 2) = k(k-1)/2. For k = 8, this is 8(8-1)/2 = 28.

Consider a Completely Randomized Design with K Treatments