Tamil Nadu Open University (TNOU) 2006 B.A Economics Elementary Statistics and - Question Paper
1 1980-1981 t,6roras)i_ c9)U|-UUoi_ },Hsn_n\sffi
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Qun-0CTT a_fbu<sl stt6h aSlenso (0.)
(i_65T<$erf)a>)
1980-1981 1990-1991 1980-1981 1990-91
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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<$6tfl5T uujansOT uuiraoisu?
5. Write a short note on census in India.
lijtujiraSlsi) (y)(Lp655fluLj urbr$ $0 <)p suanra.
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
Lpsffirrapih qerreifl efi1surriijffisrf)0Sl0i6g|
l65)i_j&6ineo Loppih (tpa lujeupswDa; asssflaacijLh. iSlflcq 40-60 60-80 80-100 100-120 120-140 140-160
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
Lpaarrgpii i_j6iTcifl aSlajrrrija;6ifl66l0iBgj
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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,c9|Grraf>Gu65>GfT 6iS1srTffi@a.
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
ijigffitrgpiii) i_jOT6ifl051eu[rrEdffiisrflaSl0iBgi iSliLHTffgBflstrr 6j>L_n)6L| Glffi(LpOQJ
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
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A |
250 |
300 |
150 |
130 |
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B |
100 |
120 |
120 |
200 |
|
C |
20 |
30 |
600 |
1000 |
|
D |
10 |
20 |
200 |
300 |
3 UG-727
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Attachment: |
| Earning: Approval pending. |
