Area (cluster) sampling technique is used when
| A. | population is scattered and large size of the sample is to be drawn |
| B. | population is heterogeneous |
| C. | long survey is needed |
| D. | (a) and (c) |
Answer : D Explanation : When long survey is being done and population is being scattered over a large area then researcher selects various groups from the whole area. The selection of these groups is based on the discretion of the researcher. Shefali said: (5:27am on Thursday 11th January 2018)
Why can't it be when population is heterogeneous?Coz when population is not highly homogeneous and differs maybe area by area then?
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Option: A Explanation : Explanation will come here. Explanation will come here. Explanation will come here. Explanation will come here. Explanation will come here. |
