Page 114 - DECO504_STATISTICAL_METHODS_IN_ECONOMICS_HINDI

vFkZ'kkL=k esa lkaf[;dh; fof/;k¡

uksV Lo&ewY;kadu (Self Assessment)

2- fn, x, iz'uksa dks gy dhft,μ

1- fuEu Js.kh ls eè;d (X ) }kjk ekè; fopyu Kkr dhft,μ
X : 40–50 30–40 20–30 10–20 0–10 –10–0 –20 ls –10 –30 ls –20
f : 5 7 13 6 3 4 4 8

2- fuEu Js.kh ls eè;dk dk iz;ksx djosQ ekè; fopyu xq.kkad fudkfy,μ
m¡QpkbZ : 150–155 155–160 160–165 165–170 170–175
la[;k : 10 20 30 15 10
3- fuEu Js.kh ls izeki fopyu o mldk xq.kkad fudkfy,μ
vkdkj : 25 34 48 36 42 70 30 60 45 50

7-8 lkjka'k (Summary)

• ekè; fopyu vifdj.k dh Js"B eki gS D;ksafd ;g okLrfod ekè; }kjk fofHkUu inewY;ksa ls fy;s x;s

fopyuksa dk lekUrj ekè; gksrk gSSA vr% lead Js.kh osQ fdlh lkaf[;dh; ekè; (lekUrj ekè;] eè;dk
;k cgqyd) ls fudkys x;s fofHkUu ewY;ksa osQ fopyuksa dk lekUrj ekè; mldk ekè; fopyu dgykrk
gSA ekè; fopyu dks izFke vifdj.k ifj?kkr (First Moment of Dispersion) Hkh dgrs gSaA
• lS¼kfUrd :i ls ekè; fopyu lekUrj ekè;] eè;dk o cgqyd esa ls fdlh ,d ls fudkyk tk ldrk

gS ijUrq O;kogkfjd :i esa cgqyd dk iz;ksx ugha fd;k tkrk gS D;ksafd ;g vfuf'pr gksus osQ dkj.k
Hkzked fu"d"kZ nsrk gSA tcfd eè;dk loksZÙke gksrk gS D;ksafd ;g fLFkj] fuf'pr o izfrfuf/ ekè; gS
vkSj blls fudkys x, fopyuksa dk ;ksx lcls de gksrk gSA lekUrj ekè; ls Hkh fopyu Kkr fd;k
tk ldrk gSA
• ekè; fopyu fudkyrs le; + ,oa – fpÉksa dks NksM+ fn;k tkrk gS vFkkZr~ Í.kkRed fopyuksa dks Hkh

/ukRed eku fy;k tkrk gSA ,sls fopyuksa dks O;Dr djus osQ fy, d osQ nksuksa vksj nks [kM+h js[kk,¡ AA
(modulus) cuk nh tkrh gSa] bl izdkj |d| dk vFkZ ;g gS fd fopyu fudkyrs le; fpÉksa dks NksM+
fn;k x;k gSA ,slk blfy, fd;k tkrk gS D;ksafd fopyuksa dk chtxf.krh; ;ksx lekUrj ekè; ls
fudkyus ij 'kwU; gksrk gS vkSj eè;dk ls fudkyus ij Hkh yxHkx 'kwU; gksrk gSA
• lHkh fopyuksa osQ tksM+ (∑|d|) dks inksa dh la[;k ls Hkkx nsus ij ekè; fopyu Kkr gks tkrk gSA

• ekè; fopyu vifdj.k dh ,d fujis{k eki gS vFkkZr~ ;g mlh bdkbZ esa O;Dr gksrk gS tks ewy leadksa
dh gSA ijUrq rqyukRed foospu osQ fy, ekè; foospu osQ fy, ekè; fopyu dh fujis{k eki dks
lkis{k eki esa cnyk tkrk gSA blosQ fy, ekè; fopyu osQ fujis{k eki dks ml ekè; ls Hkkx fn;k tkrk
gS ftlls ;s fopyu fudkys x;s gSaA
• ekè; 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
• ;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
• ekè; fopyu ij pje ;k lhekUr ewY;ksa dk de izHkko iM+rk gSA
• ekè; fopyu dh x.kuk fdlh Hkh ekè; ls dj ldrs gSaA

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