Loyola College B.Sc. Statistics Nov 2010 Applied Statistics Question Paper PDF Download

LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

   B.Sc. DEGREE EXAMINATION – STATISTICS

FIFTH SEMESTER – NOVEMBER 2010

ST 5506/ST 5502 – APPLIED STATISTICS

 

 

 

Date : 03-11-10                     Dept. No.                                        Max. : 100 Marks

Time : 9:00 – 12:00

PART – A

Answer ALL the questions                                                                                            (10×2=20 Marks)

  1. List out the different tests in index numbers.
  2. Explain the deflating procedure of index numbers.
  3. Define Time Series.
  4. State the mathematical models applied in time series analysis.
  5. What is meant by Specific Death Rates?
  6. Define Life Table.
  7. What do you mean by partial correlation and partial regression?
  8. List out any three properties of multiple correlation co-efficient.
  9. Write some functions of Central Statistical Organization.
  10. State the merits of De Facto and De Jure methods.

 

PART – B

Answer any FIVE questions                                                                                     (5×8=40 Marks)

 

  1. What is the difference between the Weighted and Unweighted Indices? Also explain the construction of index number by Unweighted Indices.
  2. Describe cost of living index and also state its uses.
  3. Explain the procedure of finding trend values using the method of least squares.
  4. Describe the method of Ratio-to-Moving average to calculate seasonal indices.
  5. Explain the various methods available for the measurement of population growth
  6. In a tri-variate distribution:

σ1 = 2; σ2 = σ3 = 3; r12 = 0.7; r23 = r31 = 0.5.

Find: i) r23.1     ii) R1.23      iii) b12.3      iv) b13.2       v) σ1.23

  1. Write a note on National Sample Survey Organization.
  2. Describe the national income and social accounting.

 

 

 

PART – C                             

Answer any TWO questions                                                                                         (2×20=40 Marks)

 

  1. a) Explain Fisher’s index number. Why it’s called as an ideal index numbers?
  1. b) Prove that the Factor Reversal Test and Time Reversal Test are satisfied

by Fisher’s Index.

Year Article I Article II Article III Article IV
Price Qty Price Qty Price Qty Price Qty
1982 5.00 5 7.75 6 9.63 4 12.50 9
1983 6.50 4 8.80 10 7.75 6 12.75 9

 

  1. a) Describe the procedure of cyclic variation and irregular variation.
  1. b) Calculate the seasonal indices by the method of link relatives
Quarter\ Year 1979 1980 1981 1982 1983
I 30 35 31 31 34
II 26 28 29 31 36
III 22 22 28 25 26
IV 31 36 32 35 33

 

 

 

 

 

  1. a) Describe the methods of obtaining vital statistics. Also write its uses?
  1. b) From the data, calculate the gross reproduction rate and Net

reproduction rate. [ratio Male:Female = 52:48]

Age Group No of children born to 1000 women passing through the age group Mortality rate
16-20 150 120
21-25 1500 180
26-30 2000 150
31-35 800 200
36-40 500 220
41-45 200 230
46-50 100 250

 

  1. Explain the following:
  1. a) Agricultural Statistics
  2. b) Financial Statistics
  3. c) Components of Time Series.

 

 

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