Page 133 - DECO504_STATISTICAL_METHODS_IN_ECONOMICS_HINDI

bdkbZ—9% lglacaèk% ifjHkk"kk] izdkj ,oa vFkZ'kkfL=k;ksa dh iz;qDr fof/;k¡

1- fn'kk osQ vk/kj ij uksV
(i) èkukRed lglEcUèk (Positive Correlation)
(ii) Í.kkRed lglEcUèk (Negative Correlation)

2- vuqikr osQ vk/kj ij
(i) js[kh; lglEcUèk (Linear Correlation)
(ii) oØjs[kh; lglEcUèk (Curve-linear Correlation)
3- pj ewY;ksa dh la[;k osQ vk/kj ij
(i) ljy lglEcUèk (Simple Correlation)

(ii) cgqxq.kh lglEcUèk (Multiple Correlation)
(iii) vk¡f'kd lglEcUèk (Partial Correlation)
/ukRed lglEcU/μtc nks pj&ewY;ksa osQ ifjorZu dh fn'kk ,d gh gks vFkkZr~ ,d esa o`f¼ ij nwljs esa Hkh
o`f¼ ,oa ,d esa deh ij nwljs esa Hkh deh gks rks bls /ukRed lglEcU/ dgk tkrk gS] tSls] eqnzk dh ek=kk
esa o`f¼ ls ewY; Lrj esa o`f¼] oLrq dh ek¡x esa deh ls mlosQ ewY; esa deh vkfn /ukRed lglEcU/ osQ
mnkgj.k gSaA

/ukRed lglEcU/
X Y X Y

10 50 10 15
20 70 9 10
30 80 7 8
40 90 6 5
50 110 4 2

Í.kkRed lglEcU/μtc nks pj&ewY;ksa osQ ifjorZu dh fn'kk vyx&vyx gks] tSlsμigys esa o`f¼ ij nwljs
esa deh ;k igys esa deh ij nwljs esa o`f¼ gks rks bls Í.kkRed lglEcU/ dgk tkrk gSA mRiknu esa o`f¼ ij
dherksa esa deh rFkk oLrq osQ ewY; esa deh ij ek¡x esa o`f¼ vkfn Í.kkRed lglEcU/ osQ mnkgj.k gSaA

Í.kkRed lglEcU/
X Y X Y

100 50 10 40
150 40 8 50
300 35 7 55
400 25 5 70
800 15 3 100

js[kh; lglEcU/μtc nks pj ewY;ksa esa ifjorZu dk vuqikr leku gS_ tSls jkstxkj esa 10% o`f¼ ls gj le;
mRiknu esa 20% o`f¼ gks rks bl izdkj osQ lEcU/ dks js[kh; lglEcU/ dgk tkrk gSA bu pj ewY;ksa dks fcUnq
js[kk i=k ij vafdr djus ij ,d lh/h js[kk izkIr gksrh gSA

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