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

Attempt six questions in all. (viii) Splicing adjusts the new series to the _ series. (ix) A complete life table uses interval. (b) It is said that index numbers are a specialized type of averages. How far do you agree with this statement? (c) Write a short note on abridged life table. 2. (a) Discuss the functions and responsibilities of the Central Statistical Organization in India. (b) Prove that Marshall Edgeworth Index number lies between Laspeyre's and Paasche's index numbers. 3. (a) What do you understand by Curate and Complete expectation of life? Show that (in the usual notations) (b) Given the following table: The ages of three men A, B and Care 90, 91 and 92 respectively. Find the (i) that A, B and C will be alive for two more years. (ii) that exactly one of them will be alive for two years. 4. (a) Calculate the crude and standardized death rates for the local population from the following data and compare them with crude death rate of the standard Population. Age Standard Population Population A Population Specific Population Specific (,000) death Rate (,000) death Rate More than and equal 5 60 59 (b) Define vital statistics, rates and ratios of vital events. What is the significance of the sex-ratio? Also explain why C.D.R. is not suitable for comparing the mortality rates of two places? 5 (a) What is an index number? Discuss its importance and uses. Explain (i) time reversal test, and (ii) factor reversal test as applied to index numbers (b) In a budget study, it was found that the average percentage expenditure on various commodity groups was: Food - 55, Housing - 12, Clothing - 20, Fuel and Light - 5, and Miscellaneous - 8. The group index numbers for the current year, with a fixed base year, were: Food - 214, Housing - 210, Clothing - 195, Fuel and Light - 187, and Miscellaneous - 120. (i) Compute the Consumer Price Index (CPI) for the current year. (il) If a person earned 230,000 per month in the base year and 756,000 per month in the current year, determine the additional allowance he should nave received in order to maintain the same standard of living as in the base year. 6. (a) Analyze the organizational framework and responsibilities of the Ministry of Statistics and Programme Implementation, and assess its impact on enhancing the quality of official statistics in India. (b) Define Infant Mortality Rate and Age-Specific Death Rate. What is the difference between them? (c) Fill in the blanks in a portion of life table given below: Age (in years Ix Ax Px 9x Ix 7. (a) Discuss the formation and functions of the National Statistical Office and analyze its significance in conducting surveys. (b) Calculate price index numbers for 2005 with 2002 as base year from the following data by using : (i) Laspeyre's, (ii) Paasche's and (iii) Fisher's formula. Year Article I Article IL Article III Article TV Price Qty. Price Qty. Price Qty. Price | OLy.