Question 1) Differentiate between linear and circular systematic sampling.
Question 2) Describe gain due to stratification.
Question 3) Explain PPS sampling with replacement.
Question 4) Describe Murthy’s unordered estimator.
Question 5) Describe the applications of cluster sampling to real life problems.
Question 6) What is optimum cluster size? How is it estimated?
Question 7) Describe the concept of repeated surveys.
Question 8) What is double sampling? Write down its important features?
Question 9) Explain the observational errors in sample surveys.
Question 10) What are non-response errors? How are they controlled?
Question 11)a) Explain the procedure of stratified sampling and highlight its importance.
b) In the usual notations prove that
Vst ≤ Vsys ≤ Vsrs
Question 12)a) Describe Sen Mrdzyno scheme of sampling.
Question 13)a) Describe two-stage cluster sampling and state its advantages.
b) Obtain the unbiased estimator of its population mean and derive its variance.
Question 14)a) Explain the regression estimator under double sampling.
b) Illustrate that the ratio estimator is BLUE stating the underlying conditions.
Question 15)a) What are non-sampling errors? What are its sources? How are they controlled?
b) Describe the role of inter-penetrating subsamples in sample surveys.