Page 108 - DECO504_STATISTICAL_METHODS_IN_ECONOMICS_HINDI

vFkZ'kkL=k esa lkaf[;dh; fof/;k¡

+
uksV 78 − 201 − − 5 × ( 57) 78 − 201 285 363 − 201 162
= = = =
10 10 10 10
δ = 16.2
Z
δ 16.2
C of δ = Z Z = 57 = 0.284
Z

7-4 ekè; fopyu osQ xq.k ,oa nks"k (Merits and Demerits of Mean Deviation)

ekè; fopyu osQ fuEufyf[kr xq.k gSaμ
1. ljy ,oa cqf¼xE;μekè; fopyu dh x.ku fØ;k ljy gS vkSj ;g vklkuh ls le> esa vk tkrk gSA
;g fdlh Hkh ekè; ls fudkyk tk ldrk gSA
2. lHkh ewY;ksa ij vk/kfjrμ;g Js.kh osQ lHkh ewY;ksa ij vk/kfjr gksus osQ dkj.k ,d oSKkfud jhfr gS
vkSj blls Js.kh dh cukoV dh mfpr tkudkjh izkIr gks tkrh gSA
3. pje ewY;ksa ls de izHkkforμekè; fopyu ij pje ;k lhekUr ewY;ksa dk de izHkko iM+rk gSA
4. fdlh Hkh ekè; ls vkx.kuμekè; fopyu dh x.kuk fdlh Hkh ekè; ls dj ldrs gSaA

5. in lhekvksa dk fu/kZj.kμ,d izlkekU; caVu esa X ± δ osQ vUrxZr yxHkx 57.3% ewY;ksa dk lekos'k
gksrk gSA
ekè; fopyu osQ fuEufyf[kr nks"k gSaμ
1. chtxf.krh; :i esa v'kq¼μekè; fopyu dk lcls cM+k nks"k ;g gS fd fopyu fudkyrs le;
chtxf.krh; fpÉksa + ,oa – dks NksM+ fn;k tkrk gSA ;fn ,slk u djsa rks oqQy fopyu ges'kk 'kwU; vk;sxkA
ijUrq fpÉksa dks NksM+ nsus ls ;g xf.krh; n`f"Vdks.k ls v'kq¼ ,oa voSKkfud eki gh tkrh gS vkSj mPp
Lrjh; iz;ksx osQ ;ksX; ugha jgrhA
2. vfuf'pr ekiμ;g vifdj.k dh ,d vfuf'pr eki gS D;ksafd ;g fdlh Hkh ekè; }kjk ifjdfyr
fd;k tk ldrk gSA cgqyd ls fudkyk x;k ekè; fopyu cgqyd osQ vfuf'pr o vizfrfuf/d gksus
osQ dkj.k vlarks"ktud gksrk gSA lekUrj ekè; ls fudkys x;s fopyuksa dk ;ksx vf/d gksus osQ dkj.k
ekè; fopyu voSKkfud gksrk gSA ;fn Js.kh esa fopj.k'khyrk cgqr vf/d gksrh gS rks fudkys x;s
ifj.kke Hkh Hkzked gksaxsA
3. vrqyuh; ekiμ,d Js.kh osQ fofHkUu ekè;eksa }kjk Kkr fd;s x;s ekè; fopyuksa esa lekurk ugha gksrh
gSA blh izdkj vyx&vyx Js.kh osQ vyx&vyx ekè;ksa ls fudkys x;s ekè; fopyuksa esa Hkh vlekurk
gksrh gSA vr% ;s rqyuk ;ksX; ugha gksrs gSaA

mi;ksfxrk

vk£Fkd] O;kikfjd ,oa lkekftd {ks=k esa vifdj.k osQ bl eki dk dkiQh iz;ksx gksrk gSA vk; o /u forj.k
dh vlekurkvksa dk vè;;u blh jhfr ls fd;k tkrk gSA O;kikj pØksa osQ iwokZuqeku osQ fy, bldk iz;ksx vfèkd
gksrk gSA ;g y?kq izfrn'kZ vè;;u osQ fy, csgn mi;ksxh eki gksrh gSA ifjdyu dh ljyrk ,oa izeki fopyu
esa pje inksa dkss T;knk egÙo nsus ls bl eki dks iw.kZ leFkZu izkIr gSA

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