Stratified sampling is selected when
A. Population is not partitioned in to sub-population or segment.
B. It should be mutually exclusive and collectively exhaustive.
C. Every population element should not be assigned one random number.
D. Population elements should be omitted.
Answer:B
Stratified sampling is selected when
A. Population is not partitioned in to sub-population or segment. B. It should be mutually exclusive and collectively exhaustive. C. Every population element should not be assigned one random number. D. Population elements should be omitted.