Page 179 - DECO504_STATISTICAL_METHODS_IN_ECONOMICS_HINDI

bdkbZ—10% lglaca/ % fo{ksi&fp=k fof/] dkyZ fi;lZu dk lglaca/ xq.kkad

• nksuksa Jsf.k;ksa osQ lg&fopj.k (Co-variance) dh eki dks Jsf.k;ksa osQ izeki fopyuksa (standard uksV

deviations) osQ xq.kuiQy ls Hkkx nsus ij izkIr HkkxiQy dks dkyZ fi;lZu dk lglEcU/ xq.kkad dgk
tkrk gSA
• lglEcU/ xq.kkad dks ifjHkkf"kr djrs le; lg&fopj.k (co-variance) dh fujis{k eki dks xq.kkad esa
ifjofrZr djus osQ fy, bls nksuksa Jsf.k;ksa osQ izeki fopyuksa osQ xq.kuiQy ls Hkkx fn;k tkrk gSA vr%
lglEcU/ xq.kkad okLro esa lg&fopj.k osQ eki dk gh xq.kkad gSA
• lglEcU/ xq.kkad (Coefficient of Correlation) }kjk lglEcU/ dk vadh; ifjek.k Kkr fd;k tkrk

gSA
• tc nks leadekykvksa osQ ifjorZu ,d gh fn'kk esa vkSj leku vuqikr esa gksa rks muesa iw.kZ /ukRed

lglEcU/ dgyk;sxkA
• tc nks leadekykvksa esa ifjorZu dk vuqikr rks leku gks ijUrq foijhr fn'kk esa gks rks ogka iw.kZ

Í.kkRed lglEcU/ (Perfect Negative Correlation) gksrk gSA
• lglEcU/ fudkyus dh igys crk;h x;h jhfr;ksa esa geus ;g ns[kk fd fofHkUu ewY;ksa osQ fopyu

(deviations) okLrfod lekUrj ekè; (True Arithmetic Average) ls fudkys x;sA ;fn ekè; iw.kk±d
gksa rc rks blesa dksbZ vlqfo/k ughaA ijUrq ;g lnk lEHko ughaA tc ekè; fHkUu esa gksa rks muls fopyu
fudkyus vkSj mu fopyuksa dk oxZ djus] vkfn esa cM+h vlqfo/k gksrh gSA bl vlqfo/k ls cpus osQ
fy, y?kq jhfr dk iz;ksx fd;k tkrk gSA
• dHkh&dHkh iz'u esa ls gh fuf'pr la[;k dfYir ekè; ysus osQ fy, dgk tkrk gS] vr% ,slh fLFkfr
esa mUgha la[;kvksa dks gh dfYir ekè; ekudj fopyu ysus gksaxsA
10-7 'kCndks'k (Keywords)

• fuoZpuμO;k[;k djuk] baVjizsVs'kuA
• lgμfopj.kμlkFk&lkFk pyukA
• fo{ksiμ izlkj] iSQykoA
10-8 vH;kl&iz'u (Review Questions)

1. lglaca/ dk vFkZ ,oa egÙo le>kb,A
2. nks pjksa osQ eè; lglaca/ vè;;u djus esa fo{ksi&js[kkfp=kksa osQ iz;ksx dh O;k[;k dhft,A
3. dkyZ fi;lZu lglaca/ xq.kkad dh x.kuk fof/ le>kb,
4. dkyZ fi;lZu osQ lglaca/ xq.kkad dh xq.kksa rFkk lhekvksa dh foospuk dhft,A

mÙkj % Lo&ewY;kadu (Answer: Self Assessment)
1. 1. czkrs 2. fo{ksi&fp=k 3. lk/u 4. ifjek.k
2. 1. r = 0.82 2. r = 0.904 3. r = 0.703 4. r = 0.996
5. r = 1 6. r = 0.847 7. r = 0.92

10-9 lanHkZ iqLrosaQ (Further Readings)

1. ifj.kkRed fof/;k¡_ Mk- ,l- lpnsok_ y{eh ukjk;.k vxzoky] vkxjk
2. lk¡f[;dh] izks- ih- vkj- xXxM+_ fjlpZ ifCyosQ'kUl] 89] =khiksfy;k cktkj] t;iqj

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