1. MOTIVATIA TEMEI 2. OBIECTIVUL PROIECTULUI 3. DESCRIEREA INSTRUMENTELOR 4. ANALIZA SI PRELUCRAREA DATELOR - Definirea variai!e!"r #i in$r"%&'erea in$r"%&'erea %a$e!"r %a$e!"r (n SPSS - Verifi'are Verifi'areaa a)ei %e %a$e -Ana!i)a *$a$i*$i'+ &nivaria$+ a %a$e!"r -Ana!i)a *$a$i*$i'+ ivaria$+ a %a$e!"r -Te*$area %iferen,ei %in$re %"&+ r""r,ii. . CONCLUZII 1. MOTIVATIA TEMEI Pia$a a%i%a*i!"r *e %iver*ifi'a /ere& aaran% fir/e n"i r"%&'a$"are 0 %e %iferi$e /"%e!e /eni$e *a *a$i*fa'a &*$&ri!e varia$e a!e *"r$ivi!"r0 *"r$ivi!"r0 $ineri *i a$rani0 %ar *i a 'e!"r 'e-i &$i!i)ea)a 'a an$"f %e *$ra%a. Pe !ana fr&/&*e$ea /"%e!e!"r0 /"%e!e!"r0 ei $re&ie *a fie *i &ni %in &n'$ %e ve%ere 'a!i$a$iv. Din$re fir/e!e ren&/i$e %e a%i%a*i a/in$i/ NI5E0 ADIDAS0 LOTUS0 PUMA. N& i*i er/i$e $"a$a !&/ea !&/ea *a *e in'a!$e '& a'e*$e /ar'i ren&/i$e0 ren&/i$e0 "riina!e0 e6i*$a in*a in*a %iver*i r"%&'a$"ri r"%&'a$"ri %e a%i%a*i '"n$rafa'&$i 'e *e a*e*' e ia$a0 in Ba)ar !a re$&ri a''e*ii!e $&$&r"r. $&$&r"r. O 'erere ri%i'a$a %e a%i%a*i %e fir/a e6i*$a %in ar$ea $ineri!"r0 %in ran%&! !"r fiin% *i 'ei /ai /&!$i ra'$i'an$i %e *"r$0 /a7"ri$a$ea *$&%en$i0 ei 'a&$a r"%&*e 'a$ /ai fr&/"a*e0 '"nf"r$ai!e *i re)i*$en$e in $i/. A'e*$e ran%&ri %e a%i%a*i NI5E0 ADIDAS0 LOTUS *i PUMA0 *e a*e*' %e "i'ei in /"!!-&ri *a& rin rere)en$an$e *i %i*$ri&i$"ri %i*$ri&i$"ri in /ari!e "ra*e %in $ara. 2. OBIECTIVUL PROIECTULUI In 'a%r&! a'e*$&i r"ie'$ *e va in'er'a ana!i)a /"%&!&i in 'are %iver*i fa'$"ri 8variai!e9 inf!&en$ea)a 'ererea %e 7ean*i in ran%&! *$&%en$i!"r. 3. DESCRIEREA INSTRUMENTELOR Pen$r& a &$ea ana!i)a r"!e/e!e '"n*i%era$e *-a a!i'a$ &n ':e*$i"nar 8Ane6a 19 &n&i e*an$i"n %e 3 %e er*"anae0 *$&%en$i0 *$&%en$i0 in C"/e6&! S$&%en$e*' S$&%en$e*' Reie R10 R20 R3 *i in 'a/ine!e %e %e !a Ar"n"/ie Ar"n"/ie A1 *i A20 'a$ *i in Ca/&*&! S$&%en$e*' Le&0 'a/ine!e A0 B *i C. C:e*$i"nar&! a re*&&* r+*&n%erea !a &n *e$ %e (n$re+ri referi$"are !a v;r*$+0 an&! %e *$&%i&0 referin,a en$r& " an&/i$+ fir/a %e a%i%a*i '"nf"r/ referin$e!"r0 veni$&! !&nar a! *$&%en$&!&i0 re,&! e 'are a'e*$a e*$e %i*&* *a (! !+$ea*'+ en$r& " ere':e %e a%i%a*i #i 'an$i$a$ea %e r"%&*e '&/+ra$e in in$erva!&! &n&i an 'a!en%ari*$i'.
Variai!e!e 'e v"r '"n*$i$&i a)a %e %a$e %in SPSS v"r fi v;r*$a0 *e6&! er*"anei0 veni$&!0 fir/a r"%&'a$"are %e a%i%a*i0 re,&! a'e*$"ra #i 'an$i$a$ea. A'e*$ea v"r '"n*$i$&i a)a %e %a$e Adidas.sav 4. ANALIZA SI PRELUCRAREA DATELOR -Definirea variai!e!"r #i in$r"%&'erea %a$e!"r (n SPSS A$ri&$e!e a'e*$"r variai!e *&n$ %efini$e (n ferea*$ra Data Editor – Foaia VariableView:
en$r& a)a %e %a$e Adidas.sav. A*$fe! a)a %e %a$e 'e va fii ana!i)a$a e*$e &r/a$"area
en$r& a)a -Verifi'area a)ei %e %a$e.Dei*$area "&$!ieri!"r O&$!ieri!e rere)in$+ va!"ri!e aeran$e (nrei*$ra$e !a nive!&! &n&i e#an$i"n #i *e "$ %ei*$a e a)a rafi'e!"r 'are verifi'+ n"r/a!i$a$ea %i*$ri&,ii!"r variai!e!"r. Pen$r& a'ea*$+ ana!i)+ *e v"r ana!i)a 'a variai!e n&/eri'e re,&! a%i%a*&!&i #i 'an$i$a$ea e 'are *$&%en,ii *&n$ %i*&#i *+ " a':i)i,i"ne)e (n$r-&n an0 iar 'a variai!e n"/ina!e *e6&! #i fir/a a%i%a*&!&i refera$a. O&$!ieri!e *e "$ %ei*$a (n 'a)&! variai!e!"r n&/eri'e0 iar va!"ri!e a'e*$"ra *e v"r %ei*$a a*$fe! Analyze – Descriptive Statistics – Explore – Plots *a& Analyze – Descriptive Statistics – Q-Q Plots "&$!ieri!e fiin% %ei*$a$e i/!i'i$. Pen$r& variai!a ?Can$i$a$e @n 'a)&! a'e*$ei variai!e (n ferea*$ra Explore *e (n!"'&ie#$e (n Dependent !ist variai!a ?Pre, '& variai!a ?Can$i$a$e
Verifi'area n"r/a!i$+,ii %i*$ri&,ii!"r Pen$r& a verifi'a n"r/a!i$a$ea %i*$ri&,ii!"r variai!e!"r ?Pre, #i ?Can$i$a$e *e f"!"*e*' r"'e%ee!e rafi'e Q-Q Plot P-P Plot #oxplot $isto%ra&a test'l (ol&o%orov-S&irnov !illie)ors.
Pen$r& a &$ea %ei*$a #i "&$!ieri!e *e va f"!"*i r"'e%e&! Q-Q Plot . Q-Q Plot '"/ar+ va!"ri!e "r%"na$e a!e variai!ei "*erva$e '& va!"ri!e &an$i!i'e a!e %i*$ri&,ieie $e"re$i'e *e'ifi'a$e 8(n a'e*$ 'a) %i*$ri&,ia n"r/a!+9. Da'+ %i*$ri&,ia variai!ei $e*$a$e e*$e n"r/a!+0 a$&n'i &n'$e!e - '"n$&rea)+ " !inie 'are *e *&ra&ne '& %rea$a 'are rere)in$+ %i*$ri&,ia $e"re$i'+0 a%i'+ $re'e rin "riine #i are an$a ea!+ '& 1. Pen$r& a'e*$a *e va &r/+ri %e/er*&! Analyze – Descriptive Statistics – Q-Q Plots = !a Variables *e in$r"%&'e variai!a %e ana!i)a$0 iar !a *est Distrib'tion *e a!ee +or&al. Pen$r& 'e!e %"&+ variai!e n&/eri'e re)&!$a$e!e *&n$ &r/+$"are!e
Percent
Valid Percent
Percent
F
21
60.0
60.0
60.0
M
14
40.0
40.0
100.0
Total
35
100.0
100.0
Tabelul !e"ul #er$oanei
%in rafi' '+ r""r,ie er*"ane!"r %e *e6 fe/inin %in e#an$i"n e*$e %e F0 iar 'ea a er*"ane!"r %e *e6 /a*'&!in e*$e %e 4F Pen$r& variai!a ?
Firma de adidasi Frequency Valid
Percent
Valid Percent
Cumulative Percent
%&'&%!
14
40.0
40.0
40.0
(a)ar
10
2*.6
2*.6
6*.6
+,T-!
2
5.
5.
4.3
'/
5
14.3
14.3
**.6
P-M%
4
11.4
11.4
100.0
35
100.0
100.0
Total
Tae!&! GFirma de adida$i
Valid Mi$$in
35 0
Mean
3.06
!td. rror o Mean
.22
Median
3.00
Mode
2
!td. &eviation
1.60*
Variance
2.5*5
!ene$$
.4*
!td. rror o !ene$$
.3*
/urto$i$ !td. rror o /urto$i$
.*2 .*
7ane
5
Minimum
1
Ma"imum
6
Statistics umarul de #erec8i
Valid
35
Mi$$in
0
Mean
1.
!td. rror o Mean
.133
Median
2.00
Mode
2
!td. &eviation
.*5
Variance
.61
!ene$$
.*24
!td. rror o !ene$$
.3*
/urto$i$
.2
!td. rror o /urto$i$
.*
variai!a Can$i$a$e
7ane
3
"nterpretare Pen$r& a/e!e variai!e *e 'i$e*'
Minimum
1
Ma"imum
4
(n $ae! rin'ia!ii in%i'a$"ri /e%ia0 /e%iana0 varian,a0 /"%&!0 va!"ri!e /ini/e #i va!"ri!e /a6i/e.
-Ana!i)a *$a$i*$i'+ ivaria$+ a %a$e!"r. Ana!i)a *$a$i*$i'+ a ra%&!&i %e a*"'iere (n$re %"&+ variai!e Jra%&! %e a*"'iere *e "a$e *$&%ia en$r& variai!e!e n"/ina!e0 (n a'e*$ 'a) *e6&! er*"anei #i fir/e!e %e a%i%a*i f"!"*i$e. Jra%&! %e a*"'iere re*&&ne ",inerea $ae!&!&i %e a*"'iere0 (n 'are *&n$ re)en$a$e re!a,ii!e %in$re variai!e!e 'a$e"ria!e. @n fie'are 'e!&!+ a $ae!&!&i e*$e re)en$a$+ fre'ven,a ar,ia!+0 a%i'+ efe'$iv&! 'are "ar$+ *i/&!$an " va!"are a fie'+rei variai!e. O,inerea a'e*$&i $ae! re*&&ne &r/+$"r&! %e/er* Analyze – Descriptive Statistics – rosstabs. La rows/-co&pleta& )ir&a de adidasi/iar !a col'&ns/-co&pleta& sex persoana/. La statistics/-bi)a& $i-s,'are/ Firma de adidasi * sexpers Crosstabulation
Chi-Square Tests
Count
Value $e"#er$ .00
Firma de
%&'&%!
Total
%$ym#. !i. 92$ided:
2.**a
4
.5
+ieli8ood 7atio
2.**
4
.55
35
Pear$on C8i!quare
1.00
d
10
4
14
o Valid Ca$e$
6
4
10
a. cell$ 90.0;: 8ave e"#ected count le$$ t8an 5. T8e
1
1
2
'/
3
2
5
P-M%
1
3
4
21
14
35
(a)ar
adida$i +,T-!
Total
minimum e"#ected count i$ .*0.
Tae! 14 Te*$area ra%&!&i %e a*"'iere f"!"*in% $e*$&! C:i = S&are
Tae! 13 S$a$i*$i'+ a ra%&!&i %e a*"'iere (n$re fir/e!e r"%&'a$"are *i *e6&! '&/ara$"ri!"r
"nterpretare @n e#an$i"n&! ana!i)a$ *&n$ er*"ane %e *e6 fe/inin 'are f"!"*e*' '&
re'+%ere a%i%a*i %in BAZAR0 3 er*"ane %e fir/a NI5E0 1er*"ane %e !a fir/a ADIDAS0 " er*"ana %e !a fir/a LOTUS *i " er*"ana %e !a fir/a PUMA. Per*"ane!e %e *e6 /a*'&!in 'are f"!"*e*' '& re'+%ere a%i%a*i *&n$ 4 er*"ane %in BAZAR0 2 er*"ane %e !a fir/a NI5E0 4 er*"ane %e !a fir/a ADIDAS0 " er*"ana %e !a fir/a LOTUS *i 3 er*"ane %e !a fir/a PUMA. Ana!i)a %e rere*ie #i '"re!a,ie Ana!i)a %e '"re!a,ie re*&&ne /+*&rarea Correlations ra%&!&i %e in$en*i$a$e a !e+$&rii %in$re umarul Pretul variai!e!e n&/eri'e0 re'&/ #i $e*$area de #erec8i adida$ilor *e/nifi'a,iei !e+$&rii. A'e*$ !&'r& *e rea!i)ea)+ &r/;n% a#ii Analyze – umarul Pear$on Correlation 1 .514 orrelate – #ivariate. @n 'a)&! 'e!"r %"&+ de #erec8i !i. 92tailed: .002 variai!e n&/eri'e *$&%ia$e 8re,&! #i 35 35 n&/+r&! %e a%i%a*i '&/+ra$i9 *e ",ine Pretul Pear$on Correlation .514 1 &r/+$"r&! re)&!$a$ <<
<<
adida$ilor !i. 92tailed:
Tae!&! 1 C"re!a$ia
.002 35
35
<<. Correlation i$ $iniicant at t8e 0.01 level 92tailed:.
"nterpretare Se "*erv+ '+ *-a
",in&$ &n '"efi'ien$ %e '"re!a,ie Pear*"n ea! '& .140 'eea 'e (n*ea/n+ '+ (n$re 'e!e %"&+ variai!e e6i*$+ " '"re!a,ie %ire'$a0 va!"area '"efi'ien$&!&i fiin% ar"ia$a %e &n&. Te*$area *e/nifi'a,iei '"efi'ien$&!&i %e '"re!a,ie e*$e rea!i)a$+ '& a7&$"r&! $e*$&!&i $. Va!"area Si. '"re*&n)+$"are0 ea!+ '& .20 evi%en,ia)+ '+ *-a ",in&$ &n '"efi'ien$ %e '"re!a,ie *e/nifi'a$iv !a &n ra %e .20 a%i'+ *&n$ #an*e /ai /i'i %e 1F 8K .19 %e a re*i in a afir/a 'a in$re 'e!e %"&a variai!e e6i*$a " '"re!a$ie *e/nifi'a$iva. Ana!i)a %e rere*ie re*&&ne ar"6i/area /"%e!&!&i %e rere*ie0 e*$i/area #i $e*$area ara/e$ri!"r /"%e!&!&i %e rere*ie. @n$re 'e!e %"&+ variai!e n&/eri'e *e "a$e *$ai!i " !e+$&r+ !iniar+ %a$+ rin e'&a,ia %e rere*ie !iniar+ *i/!+0 'are are f"r/a 0 i 1 2 3 4x i 3 5i (n 'are = variai!a %een%en$+ 8n&/+r&! %e a%i%a*i9 = variai!a in%een%en$+ 8re,&! a%i%a*i!"r9 = variai!a a!ea$"rie er"are *a& re)i%&& Ar"6i/area /"%e!&!&i %e rere*ie *e rea!i)ea)+ rin Scatterplot 8%in /eni&! 6rap$s - "nteractive9. Se "$ine "&$&$&!
5
+inear 7ere$$ion
4
3
1
retul adidasului ! "#$% & '#"( * cantit )-Square ! "#+
retul adidasilori
2
1
2
3
4
Numarul adidasi cumparat pe an
a%i%a*i #i ?Pre,&! a%i%a*i!"r E*$i/area ara/e$ri!"r /"%e!&!&i %e rere*ie re*&&ne ar'&rerea %e/er*&!&i Analyze – 7e%ession – !inear 0 rin 'are *e %e*':i%e ferea*$ra %e %ia!" Linear Ree**i"n. Ur/;n% a#ii ne'e*ari0 (n "&$&$ *e ana!i)ea)+ M"%e! S&//ar0 ANOVA0 C"effi'ien$*. Model Summary Model
C8ane !tati$tic$
7 dimen$ion0
1
7
%d=u$ted 7
!td. rror o t8e
7 !quare
!quare
!quare
$timate
C8ane
.514a
.264
.242
1.400
.264
F
!i. F
C8ane d1 d2 11.*35
1
C8ane
33
.002
a. Predictor$> 9Con$tant:? umarul de #erec8i
Tae!&! 1H M"%e! S&//ar re)in$+ va!"area '"efi'ien$&!&i %e '"re!a,ie R0 va!"area ra"r$&!&i %e %e$er/ina,ie R 2 #i er"area *$an%ar% a e*$i/a,iei. "nterpretare Va!"area !&i 7 e*$e .140 'eea 'e in%i'+ fa$&! '+ (n$re 'e!e %"&+ variai!e e6i*$+ " !e+$&r+ %ire'$+. Va!"area !&i 78 e*$e .240 'eea 'e in%i'+ fa$&! '+ 2.4F %in varia,ia variai!ei 0 e*$e e6!i'a$+ rin varia,ia variai!ei 9 . A'ea*$a e*$e " va!"are %e*$&! %e /i'+0 'eea 'e (n*ea/n+ '+ /"%e!&! a!e* n& e6!i'+ f"ar$e ine !e+$&ra %in$re variai!e. ANOVAb Model 1
!um o !quare$
d
Mean !quare
7ere$$ion
23.1
1
23.1
7e$idual
64.6*
33
1.60
Total
*.**6
34
F 11.*35
!i. .002a
a. Predictor$> 9Con$tant:? umarul de #erec8i b. &e#endent Variable> Pretul adida$ilor
Tae!&! 1 7e%ession A+VA re)in$+ re)&!$a$e!e ana!i)ei varian,ei variai!ei %een%en$e *& inf!&en,a fa'$"r&!&i %e rere*ie #i a fa'$"r&!&i re)i%&&. Pre)in$+ inf"r/a,ii a*&ra *&/ei +$ra$e!"r aa$eri!"r variai!ei %een%en$e0 ra%e!e %e !ier$a$e0 e*$i/a,ii!e varian,e!"r %a$"ra$e 'e!"r %"&+ *&r*e %e varia,ie0 ra"r$&! F #i Si%
"nterpretare @n 'a)&!
variai!e!"r '"n*i%era$e0 va!"area Si% . en$r& F e*$e /ai /i'+ %e';$ .0 fiin% .20 rin &r/are re!a$ia !iniar+ %in$re 'e!e %"&+ variai!e '"n*i%era$e e*$e *e/nifi'a$iv+. Coe,,icientsa Model
!tandardi)ed -n$tandardi)ed Coeicient$ (
1
9Con$tant: umarul de #erec8i
!td. rror
Coeicient$ (eta
.*4
.64*
1.052
.306
t
.514
!i.
1.51
.13*
3.440
.002
a. &e#endent Variable> Pretul adida$ilor
Tae!&! 1G C"effi'ien$* re)in$+ '"efi'ien,ii ne*$an%ar%i)a,i ai /"%e!&!&i %e rere*ie e*$i/a$0 er"ri!e *$an%ar% a!e a'e*$"ra0 '"efi'ien,ii %e rere*ie *$an%ar%i)a,i '& er"ri!e *$an%ar% '"re*&n)+$"are0 re'&/ #i va!"ri!e *$a$i*$i'ii $e*$ $ #i va!"ri!e Si. '"re*&n)+$"are. "nterpretare Pen$r& " (n're%ere %e GF *e "*erv+ '+ (n 'a)&! a/i!"r '"efi'ien,i va!"area !&i Si% . e*$e /ai /i'+ %e';$ .0 'eea 'e (n*ea/n+ '+ a'e#$ia *&n$ *e/nifi'a$iv %iferi,i %e . A*$fe!0 e'&a,ia %e rere*ie are &r/+$"area f"r/+ Y =1.204+ 0.251 X
-E*$i/area #i $e*$area *$a$i*$i'+ E*$i/area e*$e r"'e%e&! rin 'are *e enera!i)ea)+ re)&!$a$e!e "*erva$e e &n e#an$i"n0 !a nive!&! "&!a,iei %in 'are e*$e e6$ra*0 a%i'+ *e af!+ va!"area &n&i ara/e$r& a! &nei "&!a,ii e a)a %a$e!"r (nrei*$ra$e !a nive!&! &n&i e#an$i"n e6$ra* %in a'ea*$a. E*$i/area "a$e fi &n'$&a!+ *a& rin in$erva! %e (n're%ere. @n a'e*$ 'a) *e va e*$i/a rin in$erva! %e (n're%ere. -Te*$area %iferen,ei %in$re %"&+ r""r,ii. A'e*$ !&'r& re*&&ne f"!"*irea $e*$&!&i $i-S,'are0 &r/;n% %e/er*&! Analyze – +onpara&etric *ests – $i-S,'are *est. Se va verifi'a %a'+ r""r,ia er*"ane!"r %e *e6 fe/inin e*$e ea!+ '& r""r,ia er*"ane!"r %e *e6 /a*'&!in. ,b$erved
"#ected
7e$idual
.00 1.00
21
1.5
3.5
14
1.5
3.5
Total
35 !@P7! C8i !quare9a: d %$ym#. !i.
1.400 1 .23
Test Statistics a 0 cell$ 9.0;: 8ave e"#ected requencie$ le$$ t8an 5. T8e minimum e"#ected cell requency i$ 1.5
Tae!e!e 2 Sex'l persoanei *i *est statistics "nterpretare Se "*erv+ '+ *&n$ 21 %e er*"ane %e *e6 fe/inin #i 14 %e *e6 /a*'&!in. C"nf"r/ i"$e)ei %e n&! 8%e ea!i$a$e a r""r,ii!"r90 en$r& fie'are 'a$e"rie ar $re&i *+ fie ';$e 1H. er*"ane. @n $ae!&! $i-S,'are *est va!"area *e/nifi'a,iei e*$e /ai /are %e';$ . #i0 rin &r/are *e a''e$+ i"$e)a %e n&!.
. CONCLUZII @n &r/a rea!i)+rii an':e$ei rivin% 'ererea %e a%i%a*i in C"/!e6&! *$&%en,e*' Reie0 in 'a/ine!e %e %e !a Ar"n"/ie *i in Ca/&*&! S$&%en$e*' Le&0 *e "a$e '"n'!&)i"na '+ a'ea*$a e*$e re!a$iv '"n*$an$+0 %ein);n% (n "are'are /+*&r+ %e re,&! a'e*$"ra. De a*e/enea *e "*erv+ '+ !a nive!&! (n$reii "&!a,ii n& e6i*$+ %iferen,e *e/nifi'a$ive (n$re r""r,ia er*"ane!"r %e *e6 fe/inin 'are '&/ara 7ean*i #i r""r,ia er*"ane!"r %e *e6 /a*'&!in0 (n$r&';$ /&!$e %in$re r"%&*e rere)in$+ " ne'e*i$a$e. BIBLIOJRA*0 E%i$&ra P"!ir"/0 24
