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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
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