LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

B.Sc. DEGREE EXAMINATION – STATISTICS

FIFTH SEMESTER – APRIL 2012

ST 5506/ST 5502 – APPLIED STATISTICS

 

 

 

Date : 30-04-2012              Dept. No.                                        Max. : 100 Marks

Time : 9:00 – 12:00

 

PART – A

 

Answer ALL the questions:                                                                                           (10 x2 = 20)

 

1. What are index numbers?
2. State Time Reversal Test.
3. What are the components of a time series?
4. Define Multiplicative Time Series model
5. Define Crude Birth Rate.
6. Distinguish between gross reproduction rate and net reproduction rate.
7. Give the meaning of multiple correlation coefficient.
8. Write down the expression for .
9. Mention the role of NSSO.
10. Mention the use of Statistics in livestock and poultry industry.

 

PART – B

Answer any FIVE Questions:                                                                                        (5 X 8 = 40)

 

1. Explain the concept of Splicing and Deflating of index numbers.
2. Explain the steps involved in the construction of index numbers?
3. Explain the method of moving averages in estimation of trend.
4. Explain ratio to trend method of estimating seasonal variation.
5. Describe in detail various rates associated with fertility.
6. Explain how vital statistics is obtained in India.
7. Prove the relation .
8. Describe the functions of CSO.

PART – C

Answer any TWO Questions:                                                                                        (2 x 20 =40)

 

1. (a) Define : Fisher’s Index number. Show that it is an Ideal Index number.

(b) Write a descriptive note on Consumer Price Index number.

 

1. (a) Find the trend component in the following data with the help of 3 yearly moving averages.

Year:            1978  1979  1980 1981 1982 1983 1984 1985 1986 1987 1988 1989

Production:    19      22      25     27     29     30     32      34     37     41    44     45

(in tonnes)

(b) Explain the method of Link Relatives.

1. (a) Write a short note on Season Variation.

(b) The population size of a country are given below:

Year :              1960    1970    1980    1990    2000    2010

Population :      22       27       36         48        59       72

(in crores)

Fit an exponential trend and estimate the population for the year 2014.

1. Write short notes on the following:

(a) Chain Index Numbers

(b) Measurement of Mortality

(c)  National Income Statistics

(d) Partial Correlation.

 

 

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