Page 136 - DECO504_STATISTICAL_METHODS_IN_ECONOMICS_HINDI

vFkZ'kkL=k esa lkaf[;dh; fof/;k¡

uksV (iii) Åij ck;ha vksj ls uhps nkfguh vksj fxjrh gqbZ ,d js[kk osQ :i esa fcUnq vafdr gks (tSls fp=k C) rks
;g iw.kZ Í.kkRed lglEcU/ dks O;Dr djrk gSA
(iv) tc izkafdr fcUnqvksa ls ,d Øe ;k izo`fr dk vkHkkl gks rks ;g lglEcU/ dh mifLFkfr dks O;Dr
djrh gSA ,d js[kk u gksdj fc[kjs gq, fcUnq uhps ck;ha vksj ls Åij nkfguh vksj c<+rs gq, gksa (tSls
fp=k D) rks ;g /ukRed lglEcU/ ,oa Åij ck;ha vksj ls uhps nkfguh vksj fxjrs gq, gksa (tSls
fp=k E) rks Í.kkRed lglEcU/ dks O;Dr djrs gSaA fcUnq ftrus ikl&ikl gksaxs lglEcU/ dk ifj.kke
mruk gh vf/d gksrk gSA
fo{ksi fp=kksa ls lglEcU/ dh osQoy izo`fr dk vkHkkl gksrk gS] blls fuf'pr ewY; izkIr ugha gks ldrk gS_ vr%
lglEcU/ Kkr djus osQ fy, bl fof/ dk iz;ksx ml le; gh mi;qDr jgrk gS tc lglEcU/ dh osQoy izo`fr
dk gh vè;;u djuk gks] bldk la[;kRed eki vko';d u gksA

lglEcU/ js[kkfp=k (Correlation Graph)

js[kkfp=k }kjk Hkh lglEcU/ dk vuqeku yxk;k tk ldrk gSA lglEcU/ js[kkfp=k dh jpuk fuEu izdkj dh
tkrh gSμ
(i) le;] LFkku ;k Øe la[;k dks Hkqtk{k ij vafdr fd;k tkrk gSA
(ii)X pj ewY; dks OY dksfV v{k ij ,oa Y pj ewY; dks OY′ dksfV v{k ij vafdr fd;k tkrk gSA
(iii) nksuksa pj ewY;ksa osQ fy, vyx&vyx nks oØ cuk fy, tkrs gSaA

;fn nksuksa pj ewY; ,d gh bdkbZ esa gksa ,oa muesa cgqr de vUrj gks rks ,d ekin.M osQ vk/kj ij OY v{k
ij gh nksuksa ewY;ksa dks izn£'kr dj nks oØ cuk, tk ldrs gSaA vf/d vUrj gksus ij nks ekin.M osQ vk/kj ij
js[kkfp=k cuk;k tkrk gSA

lglEcU/ js[kkfp=k dk fo'ys"k.k
(i) nksuksa pj ewY;ksa osQ oØ ftrus ikl&ikl gksaxs] lglEcU/ dh ek=kk mruh gh vf/d ,oa nwj gksus ij
lglEcU/ dh ek=kk mruh gh de gksxhA
(ii) nksuksa oØksa esa mPpkopu dh fn'kk ,d gks vFkkZr~ ,d lkFk ?kVrs ;k c<+rs gSa rks muesa /ukRed lglEcU/
gksxkA nksuksa oØksa esa mPpkopu dh fn'kk foijhr gks vFkkZr~ ,d oØ osQ c<+us ij nwljk oØ ?kVs ;k ,d
osQ ?kVus ij nwljk c<+s rks Í.kkRed lglEcU/ gksxkA

(iii) tc nksuksa oØksa esa mPpkopu dh izo`fr esa dksbZ lekurk ;k lEcU/ izrhr u gksa rks lglEcU/ dk vHkko
gksrk gSA
mnkgj.k (Illustration) 1: fuEu leadksa ls lglEcU/ js[kkfp=k dh jpuk dhft, vkSj bl ij fVIi.kh dhft,μ
No. of Pairs : 1 2 3 4 5 6 7 8 9 10
Ages of Husbands : 20 25 27 24 30 31 35 30 28 20
Age of Wives : 18 22 23 21 26 28 30 25 24 18

gy (Solution): 7ifr ,oa ifRu;ksa dh mez dks ,d gh ekin.M osQ vk/kj ij dksfV v{k ,oa la[;k dks Hkqtk{k
ij vafdr dj js[kkfp=k dh jpuk fuEu izdkj djsaxsμ

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