Loyola College B.A. Economics April 2008 Quantitative Tools For Economics Question Paper PDF Download

LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

BC 11

 

B.A. DEGREE EXAMINATION – ECONOMICS

THIRD SEMESTER – APRIL 2008

EC 3502 – QUANTITATIVE TOOLS FOR ECONOMICS

 

 

 

Date : 07/05/2008                Dept. No.                                       Max. : 100 Marks

Time : 1:00 – 4:00

PART – A

                                                                       

Answer any FIVE questions in about 75 words each:                      (5 x 4 = 20 marks)

 

  1. Define Statistics.
  2. Distinguish between a schedule and a Questionnaire.
  3. What are the different types of classification?
  4. State and explain two important properties of Arithmetic Mean.
  5. What is Bowley’s coefficient of skewness.
  6. What are the uses of Regression Analysis?
  7. What are the methods of construction of Index Numbers?

 

PART – B

                                                                       

Answer any FOUR questions in about 250 words each:                  (4 x 10 = 40 marks)       

 

  1. Discuss the various stages of Statistical Investigation.

 

  1. Calculate Median for the following data.
Marks <5 <10 <15 <20 <25 <30 <35 <40 <45
No. of

Students

29 224 465 582 634 644 650 653 655

 

  1. Calculate Mean Deviation form the Mean for the following data.
Size 2 4 6 8 10 12 14 16
Frequency 2 2 4 5 3 2 1 1

 

  1. From the following data calculate coefficient of variation and state which share value is more stable.
X 35 54 52 53 56 58 52 50 51 49
Y 108 107 105 105 106 107 104 103 104 101

 

  1. Briefly explain the Mathematical Properties of Standard Deviation.
  2. Explain the various components of Time series.
  3. Discuss the problems in the construction of Index Numbers.

 

PART – C

                                   

Answer any TWO questions in about 900 words each:                    (2 x 20 = 40 marks)

 

  1. Explain the methods of collecting data..

 

  1. Find the coefficient of the correlation for the following data
Cost 39 65 62 90 82 75 25 98 36 78
Sales 47 53 58 86 62 68 60 91 51 84

 

  1. Compute Laspeyres, Paasche, Fishers and Marshall-Edgeworth. Index Numbers from the following data.

 

  1. Fit a straight line trend for the following series. Estimate the value for 2008.
Year 2001 2002 2003 2004 2005 2006 2007
Production of Steel 60 72 75 65 80 85 95

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