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bdkbZµ28% fopyu dh eki % ekud fopyu
28-5 ekè; fopyu dh x.kuk (Calculation of Mean Deviation) uksV
ekè; fopyu dh x.kuk fuEufyf[kr lw=kksa }kjk dh tkrh gSµ
(v) ;fn ljy Js.kh dk ekè; fudkyuk gS rks lw=k bl izdkj gksxkµ
∑ d
d =
n
mijksDr lw=k esa laosQrk{kj d = ekè; fopyu
å d = ekè; (pkgs og lekarj ekè; gks vFkok eè;kad ;k cgqyd) ls
in ewY;ksa osQ fopyuksa dk ;ksxA
n = inksa dk oqQy ;ksxA
(c) ;fn [kafMr Js.kh vFkok v[kafMr Js.kh dk ekè; fudkyuk gS rks lw=k bl izdkj gksxkµ
∑ f d ∑ f d
d = vFkok
n ∑ f
mijksDr lw=k esa laosQrk{kj d = ekè; fopyu
f = inksa dh vko`fÙk
d = ekè; (pkgs og lekarj ekè; gks vFkok eè;kad ;k cgqyd) ls
izR;sd in ewY; dk fopyu
f d = inksa dh vko`fÙk rFkk fopyu dk xq.kuiQy
å f d = mijksDr xq.kuiQyksa dk ;ksx
å f ;k n = vko`fÙk;ksa dk oqQy ;ksxA
vkb;s] mijksDr lw=kksa osQ vkèkkj ij vc oqQN lokyksa dks okLrfod :i esa gy djosQ ns[ksaA
28-6 ljy Js.kh (Simple Series)
ljy Js.kh dk ekè; fopyu fudkyus osQ fy,µ
(d) loZizFke ekè; (iz'u osQ vuqlkj lekarj ekè; vFkok eè;kad ;k cgqyd) dh x.kuk djuh gksxhA
([k) izR;sd in ewY; ls lekarj ekè; vFkok eè;kad ;k cgqyd dk fopyu (ftls fd lw=k esa laosQrk{kj d
ls n'kkZ;k tkrk gS) ekywe djuk gksxkA
(x) blosQ i'pkr~ mijksDr fopyuksa dk ;ksx (åd) Kkr djuk gksxkA
(?k) fiQj inksa dh oqQy la[;k dk ;ksx (ftls fd lw=k esa laosQrk{kj n ls n'kkZ;k tkrk gS) fudkyuk gksxkA
(Ä) var esa åd/n lw=k yxkdj ekè; fopyu dh x.kuk djuh gksxhA
D;k vki tkurs gSa lekarj ekè; ls ekè; fopyu fudkyus osQ fy, loZizFke lekarj ekè; fudkyuk gksxkA
iz'u gy djus osQ mijksDr fu;e fuEufyf[kr mnkgj.kksa ls vkSj Hkh Li"V gks tk;saxsµ
mnkgj.k 2- ,d dkj[kkus osQ oqQN deZpkfj;ksa dh lkIrkfgd etnwjh fuEu rkfydk esa fn;s gq, gSaA vki
lekarj ekè; eè;kad rFkk cgqyd dks vkèkkj ekurs gq, ekè; fopyu vyx&vyx Kkr dhft,A
lkIrkfgd etnwjh (#i;ksa esa) µ120] 135] 142] 135] 140] 155] 135] 125] 146] 160] 150
LOVELY PROFESSIONAL UNIVERSITY 261