Tamil Nadu Open University (TNOU) 2006 B.A Economics Elementary Statistics for - Question Paper
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(i_65T<$erf)a>)
1980-1981 1990-1991 1980-1981 1990-91
A |
250 |
300 |
150 |
130 |
B |
100 |
120 |
120 |
200 |
C |
20 |
30 |
600 |
1000 |
D |
10 |
20 |
200 |
300 |
12. Explain the method of measurement of National Income in India. What are the problems involved in it?
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B.A. DEGREE EXAMINATION-JUNE, 2006. First Year
(For candidates admitted in AY 2003-04 and CY 2004 AY 2004-05 and CY 2005)
Economics
ELEMENTARY STATISTICS FOR ECONOMICS Time : 3 hours Maximum marks : 75
SECTION A (3 x 5 = 15 marks)
Answer any THREE questions.
1. What are the advantages of sampling? innrlifl (LpciDfDuSlsirT j]mr).$6rr uurraoisu?
2. What is Lorenz curve? sDirOrj-OTTGn) ojaoenCarr OTCTTUgj ujrrgj?
3. What is Rank correlation? How is it measured?
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4. What are the uses of index numbers? 0rluSLQL655r<$6tfl5T uujansOT uuiraoisu?
5. Write a short note on census in India.
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Answer any FOUR questions.
6. Explain the functions and limitations of statistics.
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7. Calculate the mean, median and mode from the following data:
Class 40-60 60-80 80-100 100-120 120-140 140-160 Frequency 9 11 14 20 15 10
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e5)6D06uwr 9 11 14 20 15 10
8. Calculate standard deviation for the following data.
Profit (Rs.) 0-1000 1000-2000 2000-3000 3000-4000 No. of firms 4 6 10 30
Profit (Rs.) 4000-5000 5000-6000 No. of firms 15 10
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dStlLl_0Sl6Ud5SD 655T()<5.
jglsorruib (.) 0-1000 1000-2000 2000-3000
(iSln)|Qj65irijTfl65T eraisraRiflasma; 4 6 10
gla)rrutb(.) 3000-4000 4000-5000 5000-6000
j9pojarrij6ifl6iT srar55f)<5a)i5 30 15 10
2 UG-727
9. What is skewness? What are its types? Explain any two measures of skewness.
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10. Calculate Pearsons coefficient of correlation from the following data.
x 64 65 66 67 68 69 70 y 66 67 65 68 70 68 72
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x 64 65 66 67 68 69 70 y 66 67 65 68 70 68 72
11. Taking 1980-1981 as the base year construct Fishers Ideal Index Number from the data given below:
Commodity Production (Tons) Price (Rs.)
1980-1981 1990-1991 1980-1981 1990-91
A |
250 |
300 |
150 |
130 |
B |
100 |
120 |
120 |
200 |
C |
20 |
30 |
600 |
1000 |
D |
10 |
20 |
200 |
300 |
3 UG-727
Attachment: |
Earning: Approval pending. |