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AN INTRODUCTITOON SAMPLINTGH EORY AN INTRODUOCNTT IO SAMPLING THEORY WITHA PPLICATITOON SA GRICULTURE M.R.S AMPFROD AgricRuelsteuarraclUh n iCotofS utnactiislt ics UniveorfAs bietryd een OLIVEARN DB OYD EDINBURGAHN DL ONDON OLIVEARND BOYDL TD. TweedCdoaulEredt i,n burgh 39WAe lbSetcrkLe oentd,Wo .n1, FIRSPTU BLISH.E.. D ... ... 1962 @ 196M2. R .S AMPFORD PRINTEIDNG REABTR ITABIYN OLIVEARN DB OYDL TD.E,D INBURGH DEDICATION Tom y Parents PREFACE IN 19I5w 7a ass kteolde cotnut rhseet attihsetooifsrca yam lp ling atat raisncihnoogro gla niints hIeevd o Croya bsytt h Feo od andA gricuOlrtguarneio sfat thiUeon ni ted Nations, in collabwoirttahhtF eir oennG cohv ernamnetdnh Cteo mmission forT echniCcoaolp erianAt firosinoc uaot fth h Sea haTrhai.s booikas n a mplviefriseoidfto hnneo twersi tftoterhn ca otu rse. Iti si ntepnrdiemdaa rsai l loyg idceavlellyao cpceooduf tn hte subjseucitt,fa obarlg er icuolffitcuearrnasdol t hwehrosh ave occatsoui sosena mptleicnhgn ainqwdui estshol, e asronm ething oft huen dertlhyeiobnrugwyt h, oa raep ttob ed etebrylr oendg andde tamialtehde maartgiucmaeNlno pt rse.v kinoouwsl oefd ge statistiicsaa sls utmahenedIdho, a rvyae t temtpoet xepdl ain, illuasntwdrh,ae tpreoe,s sdiebmloen,st thtrera uottfteh h eoretical resurlatttshh,eat rnop rotvhee Am .fe wf undamtehnetoarle ms arper oivanend A ppenfodrti hxbe,e noeftfi hto rseea dweharors e preptaosr ueffdae c re ratmaoiunon frt a tchuemrb eraslogmeeb ra. Howevtehirins,so atn" elementteaxirtnty, hs" ee nosfbe e ing confoinnlteyodt hsei mpslaemrp tleicnhgn isquucaehb s o:o k wouIla dm,c onvibneoc fle idtp,tr laecu tsiaecs,fea wln aturally occurproipnugla artaeim oennsat bosl uecs hi mtpelceh n(itqou es quoDtreP .V .S ukha"tBmyfae r,t hmeo scto mmdoens iing n surviessyt sr amtuilftiies-das mtpalgieInh ga"vt)eh. e rterfoireed tod iscaultslhs oa ssep eocfst asm ptlhienowgri ytt,hh epirra ctical implictahtaairtcoe on msm,o unsleiydna gricsuulrtvuaernyadsl reseparrocghr aimnmeevsi:it naab boloykt, h oedfsi em ensions, somsep ecitaelcihsnehidaq vbueee estn r eavteerbdyr iewfiltyh, refetrome onrcdeee tadiilsecdue slssieownhse re. Althotuhgeehx ampalnedps r acdtiisccaulrs eslitaootn es agrictuhlteth uerioespr, ry e seinngt eendet rearlam nscd,o vers mosotft hmee thuosdeisdno thfeireo lfad psp licIah toipoen,. theretfohrtaehts,e t udoefsn tta tmiasfyti itnchdsbe o ouks eful asa ni ntrodfruocmwt hiiohcnehm, a yo btaap iinc touftr hee vii viii PREFACE genesrtarlu ocfst aumrpet lhienboger foyur ned erttahdkeei tnagi led mathemsattuiodcftya h sleu bject. Ther eadiesur r gteodw ortkh roaulgtlhh e ex ampglievse n int htee xsto:m eex eracrigesi evsae ttn h een odf e ach suitable chapatnesdro ,l uatrigeoi nvaset tn h een odft hbeo ok. Is holuiltkdoee x prmeyts hsa tnokD srR .N .C urnDorwD ,.J . FinnDeryG ,. HLo.d gsaonndM, r M uniArh mafodr t heir helpcfuolm meonnet asr dlriaeofrfvt asr isoeucstt ioMo rnM s.K, . Patfoerlc ,h ectkhiseno gl uttoit oheenx se racnitsdoMe iss,Es i leen E.ForbaensdM isMsa rgaCr.eM tc innfoersp reparing the typescIar mia pltsi:on detbotM eidsF so rbaenstd,o M isVs. Sincfolrac iorn,s idaesrsaibsiltnrea e nacdpeir nogo f. M. R.S AMPFORD ABERDEEN Novem1b9e6r0,