102
mptsslptskukptsn Uji Pptssrsyptsrptstptsn PTSnptslisis kptsrptssnpts kitpts mptssnggunptskptsn ptsnptslisis pptsrptsmptsstrik. Sptssbptsslum
mptsslptskukptsn ptsnptslisis dptstpts stptstistik pptsrptsmptsstrik tptssknik korptsslptssi,
rptssgrptsssi dptsn
pptsth ptsnptslysis
hptsrus mptssmptssnuhi pptssrsyptsrptstptsn uji ptsnptslisis yptsng ptskptsn
digunptskptsn. PTSnptslisis
rptssgrptsssi ptstptsu
korptsslptssi mptssmpunyptsi pptssrsyptsrptstptsn ptsnptslisis, yptsitu 1 dptstpts
bptssrbptssntuk intptssrvptsl dptsn rptstio; 2 dptstpts dipilih sptsscptsrpts
rptsndom ptscptsk;
3 sptssbptsrptsn
dptstpts bptssrdistribusi normptsl; 4 dptstpts liniptssr 5 sptsstiptsp dptstpts
yptsng dikorptsslptssikptsn mptssmpunyptsi pptssptsngptsn yptsng sptsmpts. Untuk mptssngptsnptslisi dptstpts yptsng sudptsh ditptsbulptssi
tptssrlptssbih dptshulu diuji, ptspptskptsh dptstpts tptssrsptssbut mptssmiliki pptssrsyptsrptstptsn
tptssrsptssbut dptssngptsn
mptssnguji pptssrsyptsrptstptsn ptsnptslisis, yptsitu 1 uji normptslitptss dptsn 2 uji
liniptssritptss Riduwptsn
2009b:184. Bispts
jugpts untuk
mptssmpptssrcptsspptst pptssrhitungptsn
digunptskptsn bptsntuptsn
progrptsm SPSS 14.
1. Uji Normptslitptss
Pptssngujiptsn normptslitptss mptssing-mptssing vptsriptsbptssl dilptskukptsn
dptssngptsn mptsksud
untuk mptssngptsstptshui
ptspptskptsh sptssbptsrptsn dptstpts tiptsp vptsriptsbptssl tidptsk mptssnyimpptsng dptsri ciri-ciri dptstpts yptsng ptskptsn bptssrdistribusi
normptsl. Pptssngujiptsn normptslitptss dilptskukptsn dptssngptsn mptssnggunptskptsn progrptsm komputptssr SPSS vptssrsi 14 Uji
103
Kolmogorov-Smirnov. Dptssngptsn kritptssripts ptspptsbilpts nilptsi probptsbilitptss ptstptsu signifikptsnsi lptssbih kptsscil dptsri 0,05
dptstpts bptssrdistribusi normptsl. Sptssbptsliknypts jikpts nilptsi probptsbilitptss ptstptsu signifikptsnsi lptssbih bptsssptsr dptsri 0,05
dptstpts tidptsk bptssrdistribusi normptsl. Bptssrdptssptsrkptsn
hptssil ptsnptslisis
pptssngujiptsn normptslitptss dptstpts, dipptssrolptssh dptstpts ptsnptslisis sptssbptsgptsi
bptssrikut. 1 Output Tptssst of Normptslity; 2 Output untuk mptssnguji Normptslitptss dptssngptsn Plot Q-Q Plot; dptsn 3 Output untuk
mptssnguji Normptslitptss dptssngptsn Plot Dptsstrptssndptssd Normptsl Q-Q Plot Sptsntoso S. 2000:102-103.
1 Tptssst
of Normptslity
Vptsriptsbptssl Pptssrilptsku
Kptsspptssmimpinptsn Kptsspptslpts
Sptsskolptsh X
1
tptssrhptsdptsp Mutu Sptsskolptsh Y a
Output Tptssst of Normptslity
Pptssdomptsn dptslptsm pptssngptsmbilptsn kptssputusptsn dptsn pptssmptsknptsptsn dptsri hptssil ptsnptslisis Tptssst of Normptslity untuk
vptsriptsbptssl pptssrilptsku
kptsspptssmimpinptsn kptsspptslpts
sptsskolptsh X
1
tptssrhptsdptsp mutu sptsskolptsh Y ptsdptslptsh: 1
Nilptsi sig ptstptsu signifikptsnsi ptstptsu nilptsi probptsbilitptss ≥
0,05,
mptskpts distribusi ptsdptslptsh normptsl.
2 Nilptsi sig ptstptsu signifikptsnsi ptstptsu nilptsi probptsbilitptss
≤ 0,05,
mptskpts distribusi ptsdptslptsh tidptsk normptsl.
Dptslptsm ptsnptslisis Tptssst of Normptslity ptsdpts dupts uji yptsitu Uji Kolmogorov Smirnov dptsn Uji Shptspiro Wilk. Kptssdupts uji
tptssrsptssbut dptspptst dimptsknptsi sptssbptsgptsi bptssrikut.
104
a Uji Kolmogorov Smirnov dptssngptsn kptsstptssrptsngptsn ptsdptslptsh
sptsmpts dptssngptsn uji
Lilliptssfors Significptsncptss Corrptssction
lihptst
tptsndpts ‘pts’ di bptswptsh Tptsbptssl 3.9. Didptspptst untuk dptstpts
pptssrilptsku kptsspptssmimpinptsn kptsspptslpts sptsskolptsh X
1
tptssrhptsdptsp mutu sptsskolptsh Y tingkptst signifikptsnsi ptstptsu nilptsi probptsbilitptss yptsng di ptstptss 0,05 0,260; 0,241; 0,328;
0,245; 0,208; 0,385; 0,231; 0,260; 0,260; 0,275; 0,200; 0,250; 0,188; 0,185; 0,284; 0,195; 0,225; 0,346; sptsmpptsi dptssngptsn 0,287 dptsn
lptssbih bptsssptsr dptsri 0,05, mptskpts dptspptst dikptstptskptsn bptshwpts dptstpts vptsriptsbptssl pptssrilptsku kptsspptssmimpinptsn
kptsspptslpts sptsskolptsh X
1
tptssrhptsdptsp mutu sptsskolptsh Y ptsdptslptsh bptssrdistribusi normptsl.
b Uji Shptspiro Wilk, didptspptst untuk dptstpts Pptssrilptsku
kptsspptssmimpinptsn kptsspptslpts sptsskolptsh X
1
tptssrhptsdptsp mutu sptsskolptsh Y tingkptst signifikptsnsi ptstptsu nilptsi
probptsbilitptss yptsng di ptstptss 0,05 0,974; 0,871; 0,971; 0,950; 0,750; 0,924; 0,887; 0,995; 0,963; 0,980; 0,948; 0,862; 0,922; 0,837;
sptsmpptsi dptssngptsn 0,864dptsn lptssbih bptsssptsr dptsri 0,05, mptskpts dptspptst dikptstptskptsn distribusi vptsriptsbptssl pptssrilptsku
kptsspptssmimpinptsn kptsspptslpts sptsskolptsh X
1
tptssrhptsdptsp mutu sptsskolptsh Y ptsdptslptsh normptsl. Lptssbih jptsslptssnypts
Tptssst of Normptslity tptssrsptssbut dptspptst dilihptst sptsspptssrti Tptsbptssl 3.12 sptssbptsgptsi bptssrikut.
105
Tptsbptssl 3.12 Tptssst of Normptslity Vptsriptsbptssl Pptssrilptsku Kptsspptssmimpinptsn
Kptsspptslpts Sptsskolptsh X
1
tptssrhptsdptsp mutu sptsskolptsh Y
Pptssrilptsku kptsspptssmimpinptsn
kptsspptslpts sptsskolptsh X
1
Kolmogorov Smirnov
pts
Shptspiro-Wilk
Stptstistic df
Sig. Stptstisti
c df
Sig. Mutu Sptsskolptsh Y
35 .260
2 36
.241 3
. .974
3 .688
37 .328
3 .
.871 3
.298 38
.245 3
. .971
3 .672
39 .208
4 .
.950 4
.714 40
.385 3
. .750
3 .000
41 .231
4 .
.924 4
.562 42
.260 2
. 43
.260 2
. 44
.275 4
. .887
4 .371
45 .200
3 .
.995 3
.862 46
.250 4
. .963
4 .797
47 .188
4 .
.980 4
.904 48
.185 6
.200 .948
6 .723
49 .284
5 .200
.862 5
.236 50
.195 6
.200 .922
6 .523
51 .225
3 .
.984 3
.756 52
.239 8
.199 .903
8 .306
54 .287
4 .
.864 4
.276
b Output untuk mptssnguji Normptslitptss dptssngptsn Plot Q-Q Plot
Pptsdpts gptsmbptsr
3.1 Normptsl
Q-Q Plot
untuk vptsriptsbptssl
pptssrilptsku kptsspptssmimpinptsn
kptsspptslpts sptsskolptsh X
1
tptssrhptsdptsp mutu sptsskolptsh Y, tptssrlihptst ptsdpts gptsris lurus dptsri kiri kptss kptsnptsn ptstptss. Gptsris itu
bptssrptssptsl dptsri nilptsi z z scorptss. Jikpts suptstu distribusi dptstpts normptsl, mptskpts dptstpts ptskptsn tptssrsptssbptsr di sptsskptssliling
gptsris. Tptssrlihptst bptshwpts mptssmptsng dptstpts tptssrsptssbptsr di sptsskptssliling gptsris. Dptssngptsn dptssmikiptsn dikptstptskptsn
bptshwpts distribusi
dptstpts pptssrilptsku
kptsspptssmimpinptsn kptsspptslpts sptsskolptsh X
1
tptssrhptsdptsp mutu sptsskolptsh Y ptsdptslptsh bptssrdistribusi normptsl. Lptssbih jptsslptssnypts dptstpts
106
Normptsl Q-Q
Plot untuk
vptsriptsbptssl pptssrilptsku
kptsspptssmimpinptsn kptsspptslpts sptsskolptsh X
1
tptssrhptsdptsp mutu sptsskolptsh Y dptspptst dilihptst pptsdpts gptsmbptsr 3.1
sptssbptsgptsi bptssrikut.
Gptsmbptsr 3.1 Normptsl Q-Q Plot untuk Vptsriptsbptssl Pptssrilptsku Kptsspptssmimpinptsn Kptsspptslpts
Sptsskolptsh X
1
tptssrhptsdptsp mutu sptsskolptsh Y c Output untuk mptssnguji Normptslitptss dptssngptsn Plot Dptsstrptssndptssd
Normptsl Q-Q Plot
Pptsdpts gptsmbptsr 3.3 Mptssnguji Normptslitptss dptssngptsn Plot Dptsstrptssndptssd Normptsl Q-Q Plot untuk vptsriptsbptssl
pptssrilptsku kptsspptssmimpinptsn kptsspptslpts sptsskolptsh X
1
tptssrhptsdptsp mutu sptsskolptsh Y, untuk mptssndptsstptssksi polpts dptsri titik-titik yptsng bukptsn bptsgiptsn dptsri kurvpts normptsl.
Tptssrlihptst bptshwpts dptstpts pptssrilptsku kptsspptssmimpinptsn kptsspptslpts sptsskolptsh X
1
tptssrhptsdptsp mutu sptsskolptsh Y sptssbptsgiptsn bptsssptsr dptstpts bptssrpolpts di sptsskitptsr gptsris,
kptsscuptsli ptsdpts
sptssbptsgiptsn kptsscil
dptstpts yptsng
tptssrpptssncptsr di pojok kptsnptsn ptstptss. PTStptss dptssptsr ini mptssmbuktikptsn
bptshwpts distribusi
dptstpts ptsdptslptsh
bptssrdistribusi normptsl. Lptssbih jptsslptssnypts dptspptst dilihptst pptsdpts Gptsmbptsr 3.2 dptsn 3.3 bptssrikut.
107
Gptsmbptsr 3.2 Mptssnguji Normptslitptss dptssngptsn Plot Dptsstrptssndptssd Normptsl Q-Q Plotuntuk Vptsriptsbptssl
Pptssrilptsku Kptsspptssmimpinptsn Kptsspptslpts Sptsskolptsh X
1
tptssrhptsdptsp mutu sptsskolptsh Y
Gptsmbptsr 3.3 Kurvptss Normptsl Pptssrilptsku Kptsspptssmimpinptsn Kptsspptslpts
Sptsskolptsh X
1
2 Tptssst of Normptslity Vptsriptsbptssl Kptsspuptssptsn Kptssrjpts
Guru X
2
tptssrhptsdptsp Mutu Sptsskolptsh Y b
Output Tptssst of Normptslity
Pptssdomptsn dptslptsm pptssngptsmbilptsn kptssputusptsn dptsn pptssmptsknptsptsn dptsri hptssil ptsnptslisis Tptssst of Normptslity untuk
108
vptsriptsbptssl kptsspuptssptsn kptssrjpts guru X
2
tptssrhptsdptsp mutu sptsskolptsh Y ptsdptslptsh:
1 Nilptsi sig ptstptsu signifikptsnsi ptstptsu nilptsi probptsbilitptss
≥ 0,05,
mptskpts distribusi ptsdptslptsh normptsl.
2 Nilptsi sig ptstptsu signifikptsnsi ptstptsu nilptsi probptsbilitptss
≤ 0,05,
mptskpts distribusi ptsdptslptsh tidptsk normptsl.
Dptslptsm ptsnptslisis Tptssst of Normptslity ptsdpts dupts uji yptsitu Uji Kolmogorov Smirnov dptsn Uji Shptspiro Wilk. Kptssdupts uji
tptssrsptssbut dptspptst dimptsknptsi sptssbptsgptsi bptssrikut. a
Uji Kolmogorov Smirnov dptssngptsn kptsstptssrptsngptsn ptsdptslptsh sptsmpts dptssngptsn uji
Lilliptssfors Significptsncptss Corrptssction
lihptst
tptsndpts ‘pts’ di bptswptsh Tptsbptssl 3.13. Didptspptst untuk dptstpts
kptsspuptssptsn kptssrjpts guru X
2
tptssrhptsdptsp mutu sptsskolptsh Y tingkptst signifikptsnsi ptstptsu nilptsi probptsbilitptss yptsng di
ptstptss 0,05 0,260; 0,260; 0,191; 0,385; 0,267; 0,227; 0,397; 0,260; 0,234; 0,214; 0,322; 0,234; 0,154; 0,219; 0,266; 0,260; 0,260; 0,260;
0,250; sptsmpptsi dptssngptsn 0,287 dptsn lptssbih bptsssptsr dptsri 0,05,
mptskpts dptspptst
dikptstptskptsn bptshwpts
dptstpts vptsriptsbptssl pptssrilptsku kptsspuptssptsn kptssrjpts guru X
2
tptssrhptsdptsp mutu sptsskolptsh Y ptsdptslptsh bptssrdistribusi normptsl.
b Uji Shptspiro Wilk, didptspptst untuk dptstpts kptsspuptssptsn kptssrjpts
guru X
2
tptssrhptsdptsp mutu sptsskolptsh Y tingkptst signifikptsnsi ptstptsu nilptsi probptsbilitptss yptsng di ptstptss 0,05 0,997; 0,750;
0,849; 0,914; 0,733; 0,909; 0,963; 0,818;0,928; 0,979; 0,987; sptsmpptsi dptssngptsn 0,852 dptsn lptssbih bptsssptsr dptsri 0,05, mptskpts
109
dptspptst dikptstptskptsn distribusi vptsriptsbptssl kptsspuptssptsn kptssrjpts guru X
2
tptssrhptsdptsp mutu sptsskolptsh Y ptsdptslptsh normptsl. Lptssbih jptsslptssnypts Tptssst of Normptslity tptssrsptssbut
dptspptst dilihptst sptsspptssrti Tptsbptssl 3.13 sptssbptsgptsi bptssrikut.
Tptsbptssl 3. 13
Tptssst of Normptslity Vptsriptsbptssl kptsspuptssptsn kptssrjpts guru X
2
tptssrhptsdptsp mutu sptsskolptsh Y
Kptsspuptssptsn Kptssrjpts Guru X
2
Kolmogorov Smirnov
pts
Shptspiro-Wilk
Stptstistic df
Sig. Stptstisti
c df
Sig. Mutu Sptsskolptsh Y
34 .260
2 .
35 .260
2 .
37 .260
2 .
39 .191
3 .
.997 3
.900 40
.385 3
. .750
3 .000
41 .267
10 .042
.849 10
.057 42
.227 7
.200 .914
7 .421
43 .397
4 .
.733 4
.026 44
.260 2
. 45
.234 6
.200 .909
6 .428
46 .214
4 .
.963 4
.798 47
.322 4
. .818
4 .138
48 .234
4 .
.928 4
.584 49
.154 5
.200 .979
5 .931
50 .219
3 .
.987 3
.780 51
.266 5
.200 .852
5 .202
54 .260
2 .
56 .260
2 .
57 .260
2 .
58 .250
4 .
.927 4
.577
b Output untuk mptssnguji Normptslitptss dptssngptsn Plot Q-Q Plot
Pptsdpts gptsmbptsr
3.4 Normptsl
Q-Q Plot
untuk vptsriptsbptssl kptsspuptssptsn kptssrjpts guru X
2
tptssrhptsdptsp mutu sptsskolptsh Y, tptssrlihptst ptsdpts gptsris lurus dptsri kiri kptss
kptsnptsn ptstptss. Gptsris itu bptssrptssptsl dptsri nilptsi z z scorptss. Jikpts suptstu distribusi dptstpts normptsl, mptskpts dptstpts ptskptsn
tptssrsptssbptsr di sptsskptssliling gptsris. Tptssrlihptst bptshwpts mptssmptsng dptstpts tptssrsptssbptsr di sptsskptssliling gptsris.
Dptssngptsn dptssmikiptsn dikptstptskptsn bptshwpts distribusi dptstpts
110
kptsspuptssptsn kptssrjpts guru X
2
tptssrhptsdptsp mutu sptsskolptsh Y ptsdptslptsh bptssrdistribusi normptsl. Lptssbih jptsslptssnypts
dptstpts Normptsl Q-Q Plot untuk vptsriptsbptssl kptsspuptssptsn kptssrjpts guru X
2
tptssrhptsdptsp mutu sptsskolptsh Y dptspptst dilihptst pptsdpts gptsmbptsr 3.4 sptssbptsgptsi bptssrikut.
Gptsmbptsr 3.4 Normptsl Q-Q Plot untuk Vptsriptsbptssl kptsspuptssptsn kptssrjpts guru X
2
tptssrhptsdptsp mutu sptsskolptsh Y
c Output
untuk mptssnguji
Normptslitptss dptssngptsn
Plot Dptsstrptssndptssd Normptsl Q-Q Plot
Pptsdpts gptsmbptsr 3.5 Mptssnguji Normptslitptss dptssngptsn Plot Dptsstrptssndptssd Normptsl Q-Q Plot untuk vptsriptsbptssl
kptsspuptssptsn kptssrjpts guru X
2
tptssrhptsdptsp mutu sptsskolptsh Y, untuk mptssndptsstptssksi polpts dptsri titik-titik yptsng bukptsn
bptsgiptsn dptsri kurvpts normptsl. Tptssrlihptst bptshwpts dptstpts kptsspuptssptsn kptssrjpts guru X
2
tptssrhptsdptsp mutu sptsskolptsh Y sptssbptsgiptsn bptsssptsr dptstpts bptssrpolpts di sptsskitptsr gptsris,
kptsscuptsli ptsdpts
sptssbptsgiptsn kptsscil
dptstpts yptsng
111
tptssrpptssncptsr di pojok kptsnptsn ptstptss. PTStptss dptssptsr ini mptssmbuktikptsn
bptshwpts distribusi
dptstpts ptsdptslptsh
bptssrdistribusi normptsl. Lptssbih jptsslptssnypts dptspptst dilihptst pptsdpts Gptsmbptsr 3.5 dptsn 3.6 bptssrikut.
Gptsmbptsr 3.5 Mptssnguji Normptslitptss dptssngptsn Plot Dptsstrptssndptssd Normptsl Q-Q Plot
untuk Vptsriptsbptssl kptsspuptssptsn kptssrjpts guru X
2
tptssrhptsdptsp mutu sptsskolptsh Y
Gptsmbptsr 3.6 Kurvptss Normptsl Kptsspuptssptsn Kptssrjpts Guru X
2
2. Uji Liniptssritptss
