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 = 4.
A)4
B)6
C)10
D)8

Question

Quizplus · Accepted Answer

The total number of pairwise comparisons for k treatments is given by k(k-1)/2. For k=4, this equals 4(4-1)/2 = 6.

Consider a Completely Randomized Design with K Treatments