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# Tamil Nadu Open University (TNOU) 2006 B.A Economics Elementary Statistics for - Question Paper

Friday, 05 July 2013 04:20Web

1980-1981    t,6roras)i_ c9)U|-UUoi_ },Hsn_n\sffi

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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)

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.

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)0Sl0i6gi 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

 A 250 300 150 130 B 100 120 120 200 C 20 30 600 1000 D 10 20 200 300

3    UG-727