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vFkZ'kkL=k esa lkaf[;dh; fof/;k¡




                    uksV            3.  ekSle dk iwokZuqeku (Weather Forecasting)μfoLrkj dh lgk;rk ls vf/dre o U;wure rkieku
                                        osQ chp gksus okys fopj.k dk irk yxk;k tkrk gSA ftlls fdlh fuf'pr fnu o dky osQ fy,
                                        iwokZuqeku yxkuk lEHko gks ikrk gSA

                                  6-3 vUrj&prqFkZd foLrkj (Inter-Quartile Range)


                                  vUrj&prqFkZd foLrkj] dk gh lq/jk o mUur :i gksrk gSA ;g lead Js.kh osQ r`rh;&prqFkZd o izFke&prqFkZd
                                  osQ vUrj dh eki gksrk gSA ;g eki foLrkj ls T;knk Js"B gksrk gS D;ksafd izFke o r`rh; prqFkZd osQ chp
                                  Js.kh osQ 50 izfr'kr in&ewY; 'kkfey gks tkrs gSaA blosQ fu/kZjd pje ewY; u gksdj Js.kh osQ prqFkZd gksrs
                                  gSaA
                                  ifjx.ku fof/μ
                                   (1) igys nksuksa prqFkZd Kkr dj fy;s tkrs gSaA

                                   (2) fiQj fuEu lw=k dk iz;ksx djrs gSaμ
                                                I.Q.R = Q  – Q        I.Q.R.–Inter-Quartile Range
                                                        3   1
                                                                        Q μr`rh; prqFkZd
                                                                          3
                                                                        Q μizzFke prqFkZd
                                                                          1
                                  xq.k (Merits)
                                   (1) ;g Hkh vifdj.k osQ eki dh ,d ljy o vklku jhfr gSA

                                   (2) lhekUr ewY;ksa dk izHkko u iM+us osQ dkj.k foLrkj ls Js"B fof/ gSA
                                   (3) tc lhekUr ewY; vlkekU;] vR;kf/d fo"ke ,oa yEch iw¡N okys oØ izn£'kr djrs gkssa] rc ;g
                                        jhfr mi;qDr gksrh gSA
                                  nks"k (Demerits)

                                   (1) ;g Js.kh osQ eè; osQ vkxs Hkkx dk foLrkj (Q  – Q ) crkrk gS ftlesa lHkh inewY; 'kkfey u gksus
                                                                          3   1
                                        osQ dkj.k izfrfuf/ eki ugha dgh tk ldrh gSA
                                   (2) leadekyk dh cukoV dk Hkh Kku ugha gks ikrk gSA
                                   (3) foLrkj dh Hkkafr ,d vfLFkj eki gSA
                                   (4) bldk Hkh chtxf.krh; foospu lEHko ugha gSA

                                  6-4 'kred foLrkj (Percentile Range)


                                  vifdj.k Kkr djus osQ fy, 'kred foLrkj dk Hkh iz;ksx fd;k tk ldrk gSA ;g eki 'kred foHkktu
                                  ewY;ksa ij vk/kfjr gSA blesa 90 rFkk 10 Øela[;k osQ 'kred foHkktuksa (90  Percentile and 10  Percentile)
                                                                                                       th
                                                                                        th
                                  dk vUrj 'kred foLrkj (10–90 Percentile Range) dgykrk gSA bls fuEu fof/ }kjk ifjdfyr djrs gSaμ
                                              th
                                                      th
                                   (1) Js.kh 90  rFkk 10 Percentile fudky fy, tkrs gSaA
                                   (2) fuEu lw=k dk iz;ksx fd;k tkrk gSμ
                                                       'kred foLrkj (PR) = P  – P
                                                                          90  10
                                  'kred foLrkj dks n'ked foLrkj (Decile Range) Hkh dgrs gSa D;ksafd P  = D  ,oa P  = D  gksrk gSA
                                                                                          10   1     90  9
                                  pwafd izfr'kr ewY;ksa dks le>uk vf/d ljy gS blfy, O;ogkj esa 'kred foLrkj dk gh T;knk iz;ksx fd;k





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