DEMOGRAPHY — DU B.Sc (hons) Statistics Previous Year Question Papers

7. Write notes on the following : (a) Population composition (b) Population potential (c) Different columns of an abridged life table : B.Sc. (Hons.) Statistics Attempt five questions in all. 1. (a) What are different components of demography? What are the objectives of population studies? Distinguish between stationary and sta ble population. (b) Describe scale of urbanization and scale of population concentration. ‘Level of urbanisation does not change even if urban population has doubled’: explain it with an example. (9,9) 2. What is an abridge life table? Why is it needed? State and prove Reed and Merrell’s method for the construction of an abridged life table. (18) 3. (a) Describe a method to estimate the coverage of two independent systems for collecting information about demographic data. (b) Discuss the nature of errors in the age data for younger and older age groups. Describe a method of adjusting age data at adult ages. (9,9) 4. (a) Describe United Nation’s index for measuring the tendentious bias in the accuracy of census age-sex data. (b) Define balancing equation of the population growth. De scribe two uses of balancing equation. (9,9) 5. (a) What are different methods of popula tion estimation and projection? Describe geometric growth model for projecting population of 2021 if 2001 is the base year and population of 2011 and (b) Describe Pearl and Reed method for fitting a logistic curve to population data. 6. What do you mean by graduation of mortality rates? Stating the assumptions, develop Makeham’s graduation model and hence Gompertz model. Also describe a method for fitting of Makeham’s graduation formula. (18)