A completely randomized design with 4 groups would have 6 possible pairwise comparisons.

Name: A completely randomized design with 4 groups would have 6 possible pairwise comparisons.
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The number of possible pairwise comparisons in a completely randomized design with 4 groups can be calculated using the formula n(n-1)/2, where n is the number of groups. So, for 4 groups, the number of pairwise comparisons would be 4(4-1)/2 = 6.

A Completely Randomized Design with 4 Groups Would Have 6