What is the purpose of blocking in some experiments?

1 Answer
Aug 2, 2015

Answer:

If the variability is not known to be uniform, then we may use blocking to attain homogeneity within the blocks

Explanation:

In Design of Experiments it is assumed that the population variance is fixed at say,#sigma# , throughout the field of experimentation. It also lead to randomised Block designs from Simple random designs, this increases efficiency of the test procedure.