CURS 5+SEMINAR 6

7/25/2019 CURS 5+SEMINAR 6

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ESANTIONAREA

CURS 5+SEMINAR 6



PLANUL CURSULUI

1. TERMENI CHEIE

2. DIMENSIUNEA ESANTIONULUI

3. METODE DE ESANTIONARE

4. care metoa e!te ma" corecta !" e ce#

5. SCHEMA STANDARD DE ESANTIONAREPENTRU POPULATIA ROMANIEI

1. E!a$t"o$ $at"o$a% m&%t"!ta"a% m&%t"!trat"'"cat

2. Eta(e



1. TERMENI CHEIE

) ESANTIONAREA* co$!tr&"rea e!a$t"o$&%&" !e 'o%o!e!teoar (e$tr& metoe%e ca$t"tat",e !a& !" ca%"tat",e# -eem(%e/

) ESANTION* o !e%ect"e "$ (o(&%at"a ce co$!t"t&"e &$",er!&%cercetar""

) UNI0ERSUL CERCETARII-(o(&%at"a !t&"ata/* tota%"tatea(o(&%at"e" a,&ta "$ ,eere ca !&r!a (o!""%a e "$'ormat""co$'orm o"ect",e%or cercetar"" -eem(%e/

) UNITATEA DE ESANTIONARE -&$"tatea !tat"!t"ca/* &$"tatea"$ care e!te com(&! &$",er!&% cercetar"" -eem(%e/

) AA DE ESANTIONARE* %"!ta &$"tat"%or !tat"!t"ce-eem(%e/) REPREENTATI0ITATE* toate &$"tat"%e !tat"!t"ce a& !a$!e

ea%e e a '" !e%ectate



2. DIMENSIUNEA ESANTIONULUI

) De!" e o"ce" oar ea !e a (&%"c"tat"" eroarea e e!a$t"o$arere(re"$ta oar o (arte "$ eroarea tota%a a !o$a7&%&" -total

survey error /. A%te !&r!e e eroare#) Care e eroarea ma"ma am"!a !" e ce#) Re%at"a "$tre eroarea e e!a$t"o$are !" mar"mea e!a$t"o$&%&") Mar"mea (o(&%at"e" !t&"ate) e8

(9:$) e8eroarea !ta$ar

) $8"me$!"&$ea e!a$t"o$&%&") (8 (roce$ta7&% &$&" !&e!a$t"o$) 98re!t&% e!a$t"o$&%&") (+981;;) Eem(%&<*36= -"$ tota%&% e 1;;; e (er!oa$e care a%cat&"e!c

e!a$t"o$&% $o!tr&/ a& oc>"" a%a!tr"N8(o(&%at"a !t&"ata

Care ,a '" eroarea e e!a$t"o$are !" ce "$!eam$a acea!ta#

<?ULE @ ENDALL * Introducere in teoria statisticii E"t&ra !t""$t"'"ca !" e$c"c%o(e"ca

&c&re!t" 1B6B.



3. METODE DE ESANTIONAREPROAILISTA

-eem(%&* (o(&%at"a(e!te 1 a$" "$tr&$ora! e!te e 1; ;;;%oc&"tor" cat ,a '" (a!&%!tat"!t"c (e$tr& &$e!a$t"o$ e 5oo

re!(o$e$t"#/

1. Proc&rarea %"!te" &$"tat"%or !tat"!t"ce

2. N&merotarea &$"tat"%or !tat"!t"ce e (e %"!ta -1$/

3. Se%ect"a a%eatoare -(a! !tat"!t"c traere %a !ort"a(%"carea !er""%or e $&mere a%eatoare "$tae%e%e matemat"ce !a& e$erate e com(&ter/

4. Se !e%ecteaa e!a$t"o$+reer,a* DE CE#

PE COTE 1. Proc&rarea !tr&ct&r"" rea%e a (o(&%at"e". De&$e#

2. Co$!tr&"rea e!a$t"o$&%&" ca &$ moe% re&! a%(o(&%at"e" (r"$ tra$!'ormarea Fc&m#G (o$er"%or

(roce$t&a%e a%e r&(&r"%or e (o(&%at"e "$ $&mare re!(o$e$t"

3. Po!""%e cr"ter"" e !tr&ct&rare (e r&(&r"#

4. A%eerea re!(o$e$t"%or "$ '"ecare r&(-cateor"e c%a!a/ "$ aceea!" (ro(ort"e ca (e$tr&a$!am%&% (o(&%at"e"



Eerc"t"&* e!a$t"o$are (e cote

A,em &$ &$",er! a% cercetar"" e 1; m"%"oa$e e(er!oa$e !tr&ct&rata a!t'e%*

) 4 ;; ;;; arat" 5 2;; ;;; 'eme"

) 3 ;;; ;;;* 134 a$" 2 6;; ;;;* 354B a$"2 6;; ;;;* 5;64 a$" 1 ;; ;;;* 65 a$"+) Ar"c&%tor"* 1 ;; ;;; "$tre(r"$ator"* 1;;; ;;;

(ro'e!"" %"era%e !" care !&(er"oare* 5;; ;;;

care me"" !" '&$ct"o$ar"* 1 5;; ;;; m&$c"tor"*3 1;; ;;; (e$!"o$ar" !" a%t" "$act","* 2 2;; ;;;.) Co$!tr&"t" &$ e!a$t"o$ (e cote c& o "me$!"&$e

e 1;;; e (er!oa$e



4. D"!c&t"e* care metoa e!te ma"corecta !" e ce#

) Ie$t"'"cat" a,a$ta7e !" ea,a$ta7e (e$tr&'"ecare metoa e e!a$t"o$are "$(&$ct&% e ,eere a% re(ree$tat","tat""

) D"!tr"&"t" e!a$t"o$&% "$ '"ecare "$ ce%eo&a eem(%e e ma" !&! -e!a$t"o$are(roa"%"!ta !" (e cote/ &$&" $&mar e 1;

o(erator" e tere$ c& "$!tr&ct"&$" ee!a$t"o$are a'ere$te



5. SCHEMA STANDARD DE

ESANTIONARE PENTRU

POPULATIA ROMANIEI) E!a$t"o$ $at"o$a% m&%t"!ta"a% m&%t"!trat"'"cat-(r"ma oara &(a 1BB;/

) 2 cr"ter"" e !trat"'"care*

T"( e %oca%"tate* U:R

o$a eora'"ca -ar"a c&%t&ra%a/

) Matr"cea* tae% c& N t"(&r" e %oca%"tat" !" M o$eeora'"ce

) Strat8!&r&( e (o(&%at"e omoe$a "$ (&$ct&% e,eere a% &$e" ,ar"a"%e co$!"erate

N&mar tota% e !trat&r" -ca!&te/8NM



R&ra%1-ma"!%a

e,/

R2-me"&e,/

R3 -ma"e,/

U1-ora!em"c"/

U2-ora!em"7%oc""/

U3

-ora!emar"J2;;

;;;/

Ar"ac&%t&ra%a1

Ar"ac&%t&ra%aM

TOTAL



Eta(e*1. L"!tarea ar""%or c&%t&ra%e2. Kr&(area 7&ete%or (e ar"" c&%t&ra%e3. "area t"(&r"%or e %oca%"tat"

4. L"!tarea %oca%"tat"%or (e t"(&r" (e$tr& '"ecare ar"e c&%t&ra%a5. Ca%c&%area $&mar&%&" e !trat&r" !" a "me$!"&$"" '"ecar&"a -$&mar

(er!oa$e "$ '"ecare !trat/6. Co$!tr&"rea matr"ce". A(%"carea metoe" e e!a$t"o$are (e cote (e$tr& ca%c&%area

numarului de chestionare ce trebuie aplicate in fiecare strat *"$ '&$ct"e e "me$!"&$ea (ro"ectata a e!a$t"o$&%&" $o!tr&ca%c&%am (ro(ort"o$a% !&e!a$t"oa$e (e$tr& '"ecare !trat

. A7&!tarea !e%ect"e" !trat&r"%or m"c" "$ '&$ct"e e rat"&$" (ract"ce-t"m( re!&r!e/ e'ecte a!&(ra re(ree$tat","tat""

B. Se%ect"a -a%eatoare/ a %oca%"tat"%or "$ '"ecare !trat "$ care ,om

a(%"ca c>e!t"o$are%e1;. A%ocarea numarului de chestionare ce trebuie aplicate infiecare din localitatile selectate -"$ (r"$c"("& (e cote/

11. Se%ect"a a%eatoare a (er!oa$e%or care ,or '" "$ter,"e,ate "$ '"ecare"$ %oca%"tat"%e !e%ectate

12. P%a$&% e e!a$t"o$are (e$tr& '"ecare o(erator -cate c>e!t"o$are

&$e c&m !e%ecteaa re!(o$e$t""/



Eerc"t"" !em"$ar&% 6

1. Co$!"eram o matr"ce c& 1; ar"" c&%t&ra%e*

A1* Maram&re! A2* a$atCr"!a$a A3* Co,a!$aHar"taM&re! A4*Tra$!"%,a$"a A5* Mo%o,a e Nor A6* Mo%o,a e S& A* Doroea A* M&$te$"a AB* O%te$"a A1;* &c&re!t". Ce "me$!"&$e are !trat&% A1;:U3# Cate c>e!t"o$are ,om 'ace "$ ace!t !trat "$tr&$ e!a$t"o$ e1;;;#

2. Ce !trat&r" ,"e e"!ta "$ matr"cea e!cr"!a ma" !&!#3. Strat&% A:U1 e!te com(&! "$ %oca%"tat" c& o (o(&%at"e tota%a e 1;; ;;;

%oc&"tor" &$",er!&% cercetar"" e!te e 2; ;;; ;;; %oc&"tor". Daca e!a$t"o$&%$o!tr& e!te e 16;; e re!(o$e$t" cate c>e!t"o$are tre&"e rea%"ate "$re!(ect",&% !trat# C&m %e "!tr"&"m "$tre ce%e %oca%"tat"#

4. Ce cateor"" e (o(&%at"e !&$t tac"t ar !"!temat"c ec%&!e e %a e!a$t"o$are#

5. De ce ora!&% &'tea e!te a(roa(e "$totea&$a ec%&! "$ e!a$t"o$are#

6. Care matr"ce e!te ma" corecta !" e ce# U$a c& m&%te !trat&r" !a& &$a c&ma" (&t"$e#



Eerc"t"" !em"$ar&% 6

. Ca%c&%at" (a!&% !tat"!t"c (e$tr& &$ e!a$t"o$e 452 e re!(o$e$t" !e%ectat(roa"%"!t "$tro co%ect","tate e 3112; e (er!oa$e.

. I$ Roma$"a e"!ta 12 ora!e c& o (o(&%at"e(e!te 2;; ;;; %oc&"tor". Po(&%at"a %ortota%a re(re"$ta 23= "$ (o(&%at"aRoma$"e". Tre&"e !a rea%"am &$e!a$t"o$ $at"o$a% e 2;;; e(er!oa$e. Cate c>e!t"o$are tre&"e!a a(%"cam "$ '"ecare "$ ce%e 12ora!e#

B. Co$!tr&"t" &$ e!a$t"o$ (e cote c& &$ ,o%&me 4;; e re!(o$e$t" !e%ectat" "$trememr"" !"$"cat&%&" c&$o!ca$!tr&ct&ra re!(ect",e" (o(&%at""*

5;= arat" 5;= 'eme" 25= a!o%,e$t" !t&"" !&(er"oare

25= !coa%a (o!t%"cea%a 25=%"ce& 25= !coa%a ,ocat"o$a%a

5;=* 12B a$" 1;=* 3;3B a$"1;=* 4;4B a$" 3;=* 5;+Co$!tr&"t" (%a$&r" e e!a$t"o$are

(e$tr& o(erator" e tere$(r"$ "m(art"rea ce%or 4;; ec>e!t"o$are ce tre&"e a(%"cate

Ora&% Po(&%aQ"e

&c&re!t"2;16131

Ia!"34;;

Co$!ta$ta342264

C%&7Na(oca3324B

Ka%at" 33;26 T"m"!oara

3243;4 ra!o,

314225 Cra"o,a

31353; P%o"e!t"

25134 ra"%a

23356 Oraea

22223B



4;;

2;; 2;;

5; !t&"" !&( 5; !coa%a (ro' 5; %"ce&5; (o!t%"c

25 -12B a$"/

5 -3;3B a$"/

5 -4;4B a$"/

15 -5;+/

CURS 5+SEMINAR 6

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