teksam bab 7 kel 3

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7/23/2019 teksam bab 7 kel 3 http://slidepdf.com/reader/full/teksam-bab-7-kel-3 1/37 Kelompok 3 “Asoy_Teksam” 1. Hafzh Amrullah_1111094000041 2. Gusta!a" Arum_111209400002# 3. $ka %utr &_1112094000014 4. 'o( 'ur %_111209400002) #. *! Hart"_1112094000033

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Kelompok 3“Asoy_Teksam”

1. HafzhAmrullah_1111094000041

2. Gusta!a"

Arum_111209400002#3. $ka %utr &_1112094000014

4. 'o( 'ur %_111209400002)

#. *! Hart"_1112094000033

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+.1*ef"s ,ampel ,stematk

,ampl"-

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  ,ystemat ,ampl"- merupaka" Alter"at/ la"pe"-amla" sampel ya"- sa"-at erma"/aat u"tukpe"-amla" sampel ar populas ya"- sa"-at esar.%e"-amla" sampel seara sstemats aalah suatumetoe ma"a ha"ya u"sur pertama ar sampel ya"-plh seara aak sea"- u"suru"sur sela"ut"ya plhseara sstemats me"urut suatu pola terte"tu.

%roseur"ya 5

◦ 1.  ,usu" sampl"- /rame

◦ 2.   Tetapka" umlah sampel ya"- "-" aml

3. 

 Te"tuka" K 7kelas "ter(al8◦ 4.   Te"tuka" a"-ka atau "omor a!al a"tara kelas "ter(al

terseut seara aak ra"om asa"ya melalu ara u"a" saa.

◦ #.  atau &ulalah me"-aml sampel mula ar a"-ka atau"omor a!al ya"- terplh.

◦ :.  %lhlah sea-a sampel a"-ka atau "omor "ter(al erkut"ya

Defnisi Systematic Random Sampilng( Teknik Sampling Sistematis ) 

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Kepala *"as %e"ka" "-"me"-etahu a-ama"a &ot(as KeraKepala ,ekolah Kaupate" Ku""-a"ya"- erumlah 1000 ora"- a" aka"me"-aml sempel 100 ora"- Kepalasekolah kemua" 'ama"ama Kepala,ekolah susu" seara alpaets lalu

plh sampel per sepuluh Kepala,ekolah u"tuk tu susu" "omor ar 1sampa 10 lalu u" u"tuk memlhsatu a"-ka ka a"-ka lma ya"- keluar

maka sampel"ya aalah "omor # 1#

Contoh Systematic RandomSampilng( Teknik Sampling Sistematis ) 

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Alasa" ,ampl"- sstematkmu"ul ,ampl"- sstematk mu"ul kare"aka" eerapa hal5

1. %aa pe"arka" sampel aak seerha"a setap u"t plhe"-a" me"--u"aka" tael a"-ka ra"om. ,alah satukelemaha" ar ara " aalah 5

a. ,eara teorts apala populas ers/at hetero-e"maka sampel mu"-k"ka" me"-elompok paa salahsatu karakterstk terte"tu

. ,eara operaso"al lapa"-a" sampel apatme"-elompok paa lokas terte"tu atau terapat lokassult e"-a" sampel sekt ya"- me"-akatka" ayalapa"-a" me"a t"--. Hal " ers/at "efse".

2. Karakterstk sampel harapka" ers/at represe"tat/atau me!akl karakterstk populas seh"--a harapka"sampel terplh ers/at proporso"al. *e"-a" sampl"-aak hal " sult am" terapa kare"a sa a sampelsuah me!akl karakterstk populas tetap elumproporso"al. %roporso"al art"ya umlah sampel paa

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7.2 Cara Pengambilan Sampel cakSystematic

;a-ama"a k plhalamstuasya"- erka"<,earaumumu"tuk systemat

sample areleme"arpopulas haruskura"-atausamae"-a"

  7 .e 8

'ote5ktatakapatme"e"tuka"kapopulastakketahu

 

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+.3$stmas =atarata %opulasa" Total

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$stmas =atarata%opulas

$stmator =ataa" %opulas

$stmator >ara"s

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$?ample

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ollars8 /or 2001 /or a sample o/ 20"ustral -roups. The sample !as

selete systematally /rom the lsto/ the 140 -roups appear"- " the,tatstal Astrat /or the

@"te ,tates

$stmate the mea" "umer o/

employees per ma"u/atur"- ,B-roup a" f" a mar-" o/ error /orthe estmate.

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$stmas %opulas Total

$stmator %opulas Total

$stmator >ara"s

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+.4$stmas %opulas %ropors

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!ST"#S" PR$P$RS" P$P%&S"

&salka" kta "-" me"-etahu propors esa ya"- mempu"ya/asltas kesehata" propors pe"-a"--ur ya"- erpe"ka"

sara"a propors pe"uuk ya"- me"erta sakt T;B proporsperusahaa" e"-a" umlah te"a-a kera leh ar 100 ora"-8

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PR$P$RS

"Defnisi'&salka" C1 C2 D.C"  aalah suatu populas

ata u"tuk suatu (arael kualtat/. *alampopulas erukura" ' terseut mas"-mas"-terapat '

1 '

2 D'

k  eleme" ya"- termasuk

alam kate-or1 kate-or2 Dkate-orksea"-ka" '1E'2EDE'kF'. rekue"s "s

atau propors u"sur ar kate-or- alampopulas ata terseut aalah %-F'-' u"tuk

semara"- - F 12Dk. Ia alam me"-htu"- propors kate-or-tersrat suatu pa"a"-a" memlah eleme"eleme" populas me"a ua -olo"-a" yatu

ya"- err kate-or- a" uka" kate-or-.

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+.#&emlh @kura" ,ampel

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&emlh @kura" ,ampel

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+.:,stematk ,ampl"-;erula"-

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$stmas populas ratarata7sstematk sampl"- erula"-8

estmas (ara"sar 5

ma"a

 

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$stmas populas total7sstematk sampl"- erula"-8

$stmator arpopulas total 5

$stmator ar(ara"s 5

 

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BJ'TJH 5

,euah aya masuk tama" "e-ara oleh arloauka" oleh ora"- a" seora"- peaat tama" "-"memperkraka" umlah ratarata ora"- per molu"tuk lura" musm pa"as terte"tu. *a tahu ar

pe"-alama" masa lalu ah!a harus aa sektar 400mol memasuk tama" a" a "-" sampel )0mol. @"tuk me"apatka" perkraa" (ara"s ame"--u"aka" sampl"- sstematk erula"-e"-a" sepuluh sampel elapa" mol mas"-mas"-. &e"--u"aka" ata ya"- erka" paa Tael +.3 memperkraka" umlah ratarata ora"-per mol a" memperkraka" atas paa errorestmas.

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,J@,@"tuk satu sampel sstemats

Jleh kare"a tu u"tuk sampel

,epuluh a"-ka aak a"tara 1 a" #0 erkut aml5

&ol e"-a" a"-kaa"-ka " meme"tuk ttk a!al aak u"tuk sampel

sstemats. @"tuk Tael +.3 kua"ttas aalah ratarata u"tuk arspertama aalah ratarata u"tuk ars keua a" seterus"ya. $stmas

aalah

e"-a" . *e"-a" emka" estmas sta"ar error aalah

F019

Jleh kare"a tu perkraa" terak kam umlah ratarata ora"- per mol

4.1: plus atau m"us sektar 03).

 

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+.+ *skus leh la"ut te"ta"-$stmator ar >ara"s

Keterkata" a"tara estmas (ara"s rataratapopulas systematic sampling7 8 e"-a"kluster 7pe"-elompokka"8 a" korelas.

 

 

'ote 5

&,; 5 et!ee" luster mea" sLuare

&,M 5 Mth" luster mea" sLuare

,,T 5 total sum o/ sLuares

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+.+ *skus leh la"ut te"ta"-$stmator ar >ara"s

  

 

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+.+ *skus leh la"ut te"ta"-$stmator ar >ara"s

 

 

 perhtu"-a" " e?el

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+.+ *skus leh la"ut te"ta"-$stmator ar >ara"s

*e"-a"ara perhtu"-a" ya"- samaseelum"yaperoleh 5

&,; F ).3 &,M F 40 ,,T F ::# F 1.2# a" > F 1.2#

 

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+.+ *skus leh la"ut te"ta"-$stmator ar >ara"s

 ma"a

 

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+.+ *skus leh la"ut te"ta"-$stmator ar >ara"s

 

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+.+ *skus leh la"ut te"ta"-$stmator ar >ara"s