Which of the following is NOT an assumption of the randomized block design?
A) X is normally distributed in each of the populations.
B) The variance of the variable in each population is the same.
C) The block and treatment effects are additive.
D) A random sample of size one is drawn from each of the kr (k treatments times r blocks) populations.
E) The means of the populations are not equal.

Question

Quizplus · Accepted Answer

The assumption that the means of the populations are not equal is not an assumption of the randomized block design. Instead, the design assumes that any differences in means across treatments can be detected against the variability within blocks, not that the means are inherently unequal.

Which of the Following Is NOT an Assumption of the Randomized