Which one of the following is a disadvantage of Cluster sampling?
A. Variation of cluster size may increase the bias
B. It can cover large population and large areas.
C. Cost of this method is much less.
D. It does not take more time.
Answer:A
Which one of the following is a disadvantage of Cluster sampling?
A. Variation of cluster size may increase the bias B. It can cover large population and large areas. C. Cost of this method is much less. D. It does not take more time.