errors associated with sampling survey

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    _vbmdzzfj zg > Jr% Cshgl Jfscd_vb > Rfsfcroh Mfzhgjgig`tJczf > 3: Afbrvcrt 2;;4

    [rfsfezfj bt> Ndi{c J% [czpc_dr L% [% ogiif`f ga ogmmfrofQffr Ecrmcj _gvzh @vn% Ved%Oicss > m% {hdi% ;4Rgii eg% > 3;

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    Dezrgjvozdge zg scm{ide`Pht scm{if_cm{ide` {rgofssBcsdo ogeof{z

    Zhf cdm ga scm{ide`Svcidzt ga ce fszdmczf

    Frrgrs cssgodczfj pdzh scm{ide` svrqftZrff jdc`rcmmfj ga zgzci frrgrZhf oicssdadoczdge ga frrgrZhf zt{fs ga frrgrscm{ide` frrgr_cm{ide` frrgr jf{fejs ge

    Rcejgm scm{ide` frrgr_cm{if sd~f cej scm{ide` frrgrZhf rficzdgeshd{ bfzpffe e cej frrgr_cm{ide` cej zhf rf{rfsfezczdqfefssOgeoivsdgerfafrfeofs

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    _CM[IDE@ ds c {rgofjvrf bt phdoh sgmfmfmbfr ga `dqfe {g{viczdge crf sfifozfjcs rf{rfsfezczdqfs ga zhf fezdrf

    {g{viczdge%[G[VICZDGE ogesdszs ga zhf {fg{if phgcrf rficzfj zg s{fodado {rgbifm vejfrdeqfszd`czdge%

    _CM[IF ds c svb-sfz gr sgmf {crz ga c{g{viczdge%

    [CRCMFZFR rfafrs zg zhf szczdszdociogeszcezs ga zhf g viczdge cej _ZCZD_ZDO

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    Geit pct phfe {g{viczdge ogezcdes deadedzfitmcet mfmbfrsGeit pct agr jfszrvozdqf eczvrf ga vedzs_cqf rfsgvrofs

    Zdmf

    FaagrzsMgeft

    CoovrcotRf`crjde` ege-scm{ide` frrgrs

    _cm{ide` frrgrs oce bf szvjdfj) ogezrgiifj cej{rgbcbdidzt szczfmfez oce bf mcjf

    Fecbifs zg fszdmczf scm{ide` frrgrs cej hfi{sde gbzcdede` deagrmczdge ogeofrede`ohcrcozfrdszdos ga {g{viczdge%

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    De egrmci {rcozdof) {g{viczdge {crcmfzfrs crf egzlegpe cej zhfdr fszdmczfs bcsfj ge scm{ifqcivfs crf vsfj% Zhvs szczdszdo mct bf rf`crjfj csce fszdmczf ga {crcmfzfr%

    Zhf szczdszdo `fefrczfj ds c aveozdge ga zhf scm{if

    qcivfs geit% Argm cet `dqfe {g{viczdge) mcetscm{ifs oce bf jrcpe% Agr fxcm{if zhf evmbfr gacii {gssdbif scm{ifs ga sd~f e zhcz oce bf jrcpeargm c adedzf {g{viczdge ga sd~f E ds EOe% Agr fcohga zhfsf scm{ifs pf pdii `fz jdaafrfez mfces sct

    m3)m2) % % % )me phdoh pdii qcrt argm scm{if zgscm{if% Argm gef ga zhfsf mfces md zhfrfsfcrohfr pdii ogeoivjf cbgvz zhf {g{viczdgemfce Zhf {rgbifm ga jfzfrmdede` zhf {crcmfzfr argm

    zhf szczdszdo ds zhf Zhfgrt ga Fszdmczdge cej zhfcoovrcot ga c szczdszdo zg bf rf{rfsfezczdqf ga zhf

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    [g{viczdge

    _cm{if

    RfsvizOcioviczfj

    _zczdszdo(_cm{ifMfce$Pgrlfj Gvz

    Zhds PctCdm zg Legpzhds

    [crcmfzfr([g{viczdgemfce$

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    [rfodsdge !Qcidjdzt

    Eg[rfodsdge

    [rfodsdge bvz egQcidjdzt

    Rcejgm _cm{ide`Frrgr

    _tszfmczdoFrrgr

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    Eg scm{if ds zhf fxcoz mdrrgr dmc`f gazhf {g{viczdge%

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    3% _cm{ide` frrgrs>

    Cizhgv`h c scm{if ds c {crz ga {g{viczdge) dzoceegz bf fx{fozfj `fefrciit zg sv{{it aviideagrmczdge cbgvz {g{viczdge% _g zhfrf mct bfde mgsz ocsfs jdaafrfeof bfzpffe szczdszdoscej {crcmfzfrs% Zhf jdsorf{ceot bfzpffe c{crcmfzfr cej dzs fszdmczf jvf zg scm{ide`{rgofss ds legpe cs scm{ide` frrgr%

    2% Ege-scm{ide` frrgrs>De cii svrqfts sgmf frrgrs mct goovr jvrde`ogiifozdge ga cozvci deagrmczdge% Zhfsf frrgrscrf ociifj Ege-scm{ide` frrgrs%

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    3% [g{viczdge _{fodadoczdge Frrgr> mdsmczoh bfzpffe zhf rfvdrfj {g{viczdge cej zhf {g{viczdge

    sfifozfj bt zhf deqfszd`czgr% Dz goovrs phfe c rfsfcrohfr sfifozs ce dec{{rg{rdczf {g{viczdge Agr fxcm{if) mcet c zdmfs {colc`fj `ggjs mcevacozvrfrs ogejvoz

    svrqfts cmge`sz hgvsfpdqfs fcst zg ogezcoz cej zhft crf zhf fej

    vsfrs zhft mclf zhf {vrohcsf jfodsdges% Zhds cssvm{zdge mct egzbf cipcts qcidj sdeof hvsbcejs cej ohdijrfe mct sd`edadocezitdeaivfeof zhf bvtde` jfodsdges%

    2% _cm{ide` Frrgr> mdsmczoh bfzpffe zhf scm{if sfifozfj bt {rgbcbdidzt mfces cej

    zhf rf{rfsfezczdqf scm{if sfifozfj bt zhf rfsfcrohfr% Dz goovrs phfe c {rgbcbdidzt scm{ide` mfzhgj ds vsfj zg sfifoz c

    scm{if cej zhds scm{if ds egz c rf{rfsfezczdqf ga zhf {g{viczdgeogeofrefj%

    Agr fxcm{if) da zhf jfadedzdge ga zhf dezfejfj scm{if ds cjvizbfzpffe 23 cej 16 tfcrs ga c`f< {rgbcbdidszdo scm{ide` {rgofjvrfs

    mct `dqf c scm{if phdoh ogesdsz geit ga dejdqdjvcis de zhf rce`f 26zg :6%

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    ?% _fifozdge Frrgr>zhf mdsmczoh bfzpffe zhf scm{if jfsdrfj bt zhf rfsfcrohfr cej zhf

    scm{if cozvciit sfifozfj jvrde` adfijpgrl_fifozdge frrgr ifcjs zg {rgbifms de deafrfeof cbgvz zhf {g{viczdge%

    :% Arcmf Frrgr>scm{ide` arcmf -- idsz ga dejdqdjvcis phg agrm zhf {g{viczdge% C {frafoz scm{ide` arcmf djfezdadfs fcoh mfmbfr ga zhf {g{viczdgegeof cej geit geof%Dz goovrs de zhf ocsf ga gqfr djfezdat gr vejfr djfezdat zhf {g{viczdge% Agr fxcm{if) c zfif{hgef jdrfozgrt zfejs zg gqfr djfezdat c{g{viczdge cs mfmbfrs oce hcqf mgrf zhce gef zfif{hgef ge zhfdr{rfmdsf

    6% Ege Rfs{gesf Frrgr>

    goovrs phfe zhf rfs{gesf argm zhf grd`deci scm{if ogvij egz bfgbzcdefj jvf zg qcrdgvs rfcsges% Ege rfs{gesf oce goovr de zpg pcts (c$ Ege Ogezcoz (b$ Rfavsci

    1% _vrrg`czf Deagrmczdge Frrgr>mdsmczoh bfzpffe zhf deagrmczdge sgv`hz cej zhf deagrmczdgegbzcdefj bt zhf rfs{gejfez%

    crdsfs argm fdzhfr zhf decbdidzt gr zhf vepdiide`efss ga zhf rfs{gejfezzg rgqdjf zhf effjfj deagrmczdge%

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    0% Mfcsvrfmfez Frrgr> dz ds `fefrczfj bt zhf mfcsvrfmfez {rgofss dzsfia

    cej rf{rfsfezs zhf jdaafrfeof bfzpffe deagrmczdge`fefrczfj cej deagrmczdge pcezfj bt zhfrfsfcrohfr%

    _voh frrgrs oce {gzfezdciit crdsf cz cet szc`f ga zhfmfcsvrfmfez {rgofss argm zhf jfqfig{mfez gazhf deszrvmfez zdii zhf cecitsds ga adejde`s% Zhf frrgroce cisg goovr cz zrcesmdzzci szc`f phfe zhfdezfrqdfpfr ds vfszdgede` zhf rfs{gejfez% Acviztpgrjde` ga vfszdge)) bfhcqdgr ga zhf dezfrqdfpfr

    fzo% mct cii ogezrdbvzf zg hgp zhf rfs{gejfezdezfr{rfzs zhf vfszdge% De zhf rfs{gesf {hcsf phfe zhf rfs{gejfez ds rf{itde`) frrgr mct goovrbfocvsf zhf rfs{gejfez `cqf c prge` cespfr grzhf ogrrfoz cespfr pcs prge`it dezfr{rfzfj cejrfogrjfj% De zhf cecitsds {hcsf) frrgrs ga deogrrfoz

    fjdzde`) ogjde` cej 'gr jfsord{zdqf svmmcrd~czdgecej deafrfeofs oce ifcj zg frrgr

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    Zgzci[g{viczdge _cm{ide`Arcmf

    [iceefj

    _cm{if

    Cozvci

    _cm{if

    _cm{ide` Arcmf

    Frrgr

    Rcejgm_cm{ide

    ` Frrgr

    Egerfs{ges

    f Frrgr

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    Zhf sd~f ga scm{if

    Qcrdcbdidzt

    _cm{ide` mfzhgjsFszdmczdge {rgofss

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    Dz goovrs bfocvsf ga ohceof qcrdczdge dezhf sodfezdado sfifozdge ga scm{ide`vedzs

    Mc`edzvjf ga frrgr oce bf mfcsvrfj dercejgm scm{ifs

    Fx{rfssfj bt _zcejcrj Frrgr

    -ga mfce) {rg{grzdges) jdaafrfeofs) fzo%Aveozdge ga-cmgvez ga qcrdcbdidzt de mfcsvrde` acozgr ga

    dezfrfsz

    -_cm{if sd~f

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    Rcejgm scm{ide` frrgrs qcrdfs pdzhscm{ifs ga jdaafrfez sd~f

    Fs=rcejgm scm{ide` frrgrs

    =^

    Da e deorfcsfs) F ds rfjvofj)

    Cej zhcz frrgr ds deqfrsfit {rg{grzdgeci zg

    zhf svcrf rggz ga e

    _

    e

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    Rc

    ejgms

    cm{ide

    `

    frrgr

    _cm{if sd~f eicr`f

    icr`f

    smcii

    smcii

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    Zcr`fz {g{viczdge

    _cm{ide` arcmf

    scm{if

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    Agr cet rfsfcroh {rgnfoz) gef hcqf zg rfog`ed~f {gzfezdcifrrgr fxdszs cej mvsz hcqf zg jg sgmfzhde` cbgvz zhcz%Zhfrf crf zpg bcsdo c{{rgcohfs agr rfjvode` frrgrs%Zhf adrsz ds zg mdedmd~f frrgrs zhrgv`h vejfrzclde`ogrrfoz scm{ide` {rgofjvrfs% De zhds {rgofss faafozdqf vsfga scm{ide` mfzhgjs cej zfohedvfs crf vzdid~fj zg

    ifssfe zhf dm{coz ga bgzh scm{ide` cej ege-scm{ide`frrgrs% Hgpfqfr) ogsz ogeszrcdezs) cej cz zdmfs zhf{fovidcr eczvrf ga frrgr) {rfqfez ogm{ifzf mdedmd~czdgega frrgr%

    Zhf sfogej ds zg fszdmczf cej mfcsvrf frrgr% De s{dzf gacii zhf {rfocvzdges vejfrzclfe)Hgpfqfr geit scm{ide` frrgrs crf mfcsvrcbif pdzh sgmf

    jf`rff ga ogeadjfeof% Fdzhfr pct) fszdmczde` ds egz cefcst zcsl% _zczdszdos hfi{ vs zg rfjvof zhf scm{ide` frrgrzg c icr`f jf`rff bvz agr ege-scm{ide` frrgr) rfsfcrohfrsszdii hcqf zg rfit ge zhfdr dezvdzdge%

    Ce fszdmczf ga frrgr) oce sct hgp coovrczf zhf rfsfcrohjfsd`e pcs%

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    O%R%LGZHCRD) rfsfcroh mfzhgjgig`t mfzhgjs cej zfohedvf) pdshpc{rclcshce efp jfihd)2;;2%PDIIDCM ^DLMVEJ) bvsdefss rfsfcrohmfzhgjs) Glichgmc szczf vedqfrsdzt) 2;;0_%MGHCE) R%FICE@GQCE) rfsfcrohmfzhgjgig`t de ogmmfrof) jff{ ! jff{{vbidoczdge {qz%izj% Efp Jfihd) 2;;0

    @% O% BFRD) Mcrlfzde` rfsfcroh) ZczcMo@rcp hdii {vbidshde` ) efp Jfihd) 2;;;%_CENCT ECRVIC) rfsfcroh mfzhgjgig`t)

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