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problem 1: What do you mean by the term sample design? What points must be taken into consideration by a researcher in developing a sample design for the research project.

problem 2: What is probability and non-probability sampling designs? Illustrate with appropriate exs. Why probability sampling is usually preferred in comparison to the non-probability sampling?

problem 3: How would you distinguish between the simple random sampling and stratified random sampling designs? Illustrate clearly giving illustrations.

problem 4: What do you mean by simple random sampling? Describe the concept of sampling with and devoid of replacement.

problem 5: Describe the procedures of choosing a simple random sample.

problem 6: A certain population is divided into 5 strata with sizes 2000, 2000, 1800, 1700 and 2500 correspondingly. Respective standard deviations are 1.6, 2.0, 4.4, 4.8 and 6.0 and further the expected sampling cost in the first two strata is Rs. 4 per interview and in the remaining 3 strata the sampling cost is Rs. 6 per interview. How should a sample of size n = 226 be allocated to 5 strata if we adopt proportionate sampling design; if we adopt disproportionate sampling design considering:

a) Only the differences in stratum variability.
b) Differences in stratum variability and also the differences in the stratum sampling costs.

Business Management, Management Studies

  • Category:- Business Management
  • Reference No.:- M97847

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