Metodologi

Tabel t

Jawaban singkat

t tabel adalah nilai kritis distribusi t Student untuk uji t dan uji parsial (uji t) dalam regresi. Cari pada baris df dan kolom α. Untuk df = 30 dan α = 0,05 uji dua sisi, t tabel = 2,042; H₀ ditolak bila |t hitung| lebih besar dari nilai itu.

Diperbarui 11 Oktober 2026Tim MetodologiAngka dicocokkan dengan R
Daftar isi
  1. Apa itu t tabel?
  2. Menentukan derajat bebas (df)
  3. Cara membaca tabel t
  4. Kesalahan umum
  5. Tabel t lengkap (df 1–1000)
  6. Pertanyaan umum
Alat · Tabel tDicocokkan dengan R

Regresi: n − k − 1 · Sampel independen: n₁ + n₂ − 2 · Berpasangan: n − 1

Taraf signifikansi (α)
Arah uji

t tabel

2,0423

-2,042,04
Daerah penolakan H₀ diarsir kuning

Untuk df = 30 dan α = 0,05 uji dua sisi, nilai t tabel adalah 2,0423. H₀ ditolak jika |t hitung| > 2,0423.

Apa itu t tabel?

t tabel adalah nilai kritis dari distribusi t Student. Nilai ini menjadi batas untuk memutuskan apakah hasil uji t signifikan. Kalau nilai mutlak t hitung lebih besar dari t tabel, H₀ ditolak.

t tabel dipakai di banyak analisis skripsi:

  • Uji t satu sampel: membandingkan rata-rata dengan nilai tertentu.
  • Uji t sampel berpasangan, misalnya nilai pretest dan posttest.
  • Uji t sampel independen, misalnya kelas eksperimen dan kelas kontrol.
  • Uji t parsial dalam regresi: menguji pengaruh tiap variabel bebas secara terpisah.

Menentukan derajat bebas (df)

AnalisisRumus df
Uji t satu sampeln−1n - 1
Uji t berpasangann−1n - 1 (n = jumlah pasangan)
Uji t sampel independenn1+n2−2n_1 + n_2 - 2
Uji t parsial regresin−k−1n - k - 1 (k = jumlah variabel bebas)
Uji signifikansi korelasin−2n - 2

Cara membaca tabel t

  1. Hitung df sesuai jenis analisis (lihat tabel di atas).
  2. Tentukan α dan arah uji. Umumnya α = 0,05 uji dua sisi.
  3. Cari pertemuan baris df dan kolom α. Baris judul putih untuk uji dua sisi, baris judul kuning untuk uji satu sisi.
  4. Bandingkan: H₀ ditolak bila ∣thitung∣>ttabel|t_{hitung}| > t_{tabel} (uji dua sisi).

Contoh: uji t parsial regresi

Penelitian dengan 100 responden dan 3 variabel bebas (promosi, harga, kualitas layanan) terhadap minat beli.

  • df=100−3−1=96df = 100 - 3 - 1 = 96, α=0,05\alpha = 0{,}05, uji dua sisi, sehingga ttabel=1,985t_{tabel} = 1{,}985.
  • Variabel promosi memiliki thitung=2,41t_{hitung} = 2{,}41. Karena 2,41>1,9852{,}41 > 1{,}985, promosi berpengaruh signifikan secara parsial.
  • Variabel harga memiliki thitung=−1,12t_{hitung} = -1{,}12. Karena ∣−1,12∣<1,985|-1{,}12| \lt 1{,}985, pengaruh harga tidak signifikan.

Kesalahan umum

  • Memakai df=ndf = n untuk semua jenis uji. df berbeda untuk tiap analisis.
  • Membandingkan t hitung yang negatif tanpa nilai mutlak pada uji dua sisi.
  • Memakai kolom satu sisi untuk hipotesis yang tidak berarah.
  • Menyimpulkan "tidak ada pengaruh sama sekali" dari hasil yang tidak signifikan. Yang tepat: belum cukup bukti adanya pengaruh.

Tabel t lengkap (df 1–1000)

Tabel t (distribusi t Student). Baris: derajat bebas (df). Kolom: taraf signifikansi.Judul putih: α uji dua sisi. Judul kuning: α uji satu sisi.Geser tabel ke samping untuk melihat semua kolom.
α dua sisi0,500,200,100,050,020,010,002
df0,250,100,050,0250,010,0050,001
11,00003,07776,313812,706231,820563,6567318,3088
20,81651,88562,92004,30276,96469,924822,3271
30,76491,63772,35343,18244,54075,840910,2145
40,74071,53322,13182,77643,74694,60417,1732
50,72671,47592,01502,57063,36494,03215,8934
60,71761,43981,94322,44693,14273,70745,2076
70,71111,41491,89462,36462,99803,49954,7853
80,70641,39681,85952,30602,89653,35544,5008
90,70271,38301,83312,26222,82143,24984,2968
100,69981,37221,81252,22812,76383,16934,1437
110,69741,36341,79592,20102,71813,10584,0247
120,69551,35621,78232,17882,68103,05453,9296
130,69381,35021,77092,16042,65033,01233,8520
140,69241,34501,76132,14482,62452,97683,7874
150,69121,34061,75312,13142,60252,94673,7328
160,69011,33681,74592,11992,58352,92083,6862
170,68921,33341,73962,10982,56692,89823,6458
180,68841,33041,73412,10092,55242,87843,6105
190,68761,32771,72912,09302,53952,86093,5794
200,68701,32531,72472,08602,52802,84533,5518
210,68641,32321,72072,07962,51762,83143,5272
220,68581,32121,71712,07392,50832,81883,5050
230,68531,31951,71392,06872,49992,80733,4850
240,68481,31781,71092,06392,49222,79693,4668
250,68441,31631,70812,05952,48512,78743,4502
260,68401,31501,70562,05552,47862,77873,4350
270,68371,31371,70332,05182,47272,77073,4210
280,68341,31251,70112,04842,46712,76333,4082
290,68301,31141,69912,04522,46202,75643,3962
300,68281,31041,69732,04232,45732,75003,3852
310,68251,30951,69552,03952,45282,74403,3749
320,68221,30861,69392,03692,44872,73853,3653
330,68201,30771,69242,03452,44482,73333,3563
340,68181,30701,69092,03222,44112,72843,3479
350,68161,30621,68962,03012,43772,72383,3400
360,68141,30551,68832,02812,43452,71953,3326
370,68121,30491,68712,02622,43142,71543,3256
380,68101,30421,68602,02442,42862,71163,3190
390,68081,30361,68492,02272,42582,70793,3128
400,68071,30311,68392,02112,42332,70453,3069
410,68051,30251,68292,01952,42082,70123,3013
420,68041,30201,68202,01812,41852,69813,2960
430,68021,30161,68112,01672,41632,69513,2909
440,68011,30111,68022,01542,41412,69233,2861
450,68001,30061,67942,01412,41212,68963,2815
460,67991,30021,67872,01292,41022,68703,2771
470,67971,29981,67792,01172,40832,68463,2729
480,67961,29941,67722,01062,40662,68223,2689
490,67951,29911,67662,00962,40492,68003,2651
500,67941,29871,67592,00862,40332,67783,2614
510,67931,29841,67532,00762,40172,67573,2579
520,67921,29801,67472,00662,40022,67373,2545
530,67911,29771,67412,00572,39882,67183,2513
540,67911,29741,67362,00492,39742,67003,2481
550,67901,29711,67302,00402,39612,66823,2451
560,67891,29691,67252,00322,39482,66653,2423
570,67881,29661,67202,00252,39362,66493,2395
580,67871,29631,67162,00172,39242,66333,2368
590,67871,29611,67112,00102,39122,66183,2342
600,67861,29581,67062,00032,39012,66033,2317
610,67851,29561,67021,99962,38902,65893,2293
620,67851,29541,66981,99902,38802,65753,2270
630,67841,29511,66941,99832,38702,65613,2247
640,67831,29491,66901,99772,38602,65493,2225
650,67831,29471,66861,99712,38512,65363,2204
660,67821,29451,66831,99662,38422,65243,2184
670,67821,29431,66791,99602,38332,65123,2164
680,67811,29411,66761,99552,38242,65013,2145
690,67811,29391,66721,99492,38162,64903,2126
700,67801,29381,66691,99442,38082,64793,2108
710,67801,29361,66661,99392,38002,64693,2090
720,67791,29341,66631,99352,37932,64593,2073
730,67791,29331,66601,99302,37852,64493,2057
740,67781,29311,66571,99252,37782,64393,2041
750,67781,29291,66541,99212,37712,64303,2025
760,67771,29281,66521,99172,37642,64213,2010
770,67771,29261,66491,99132,37582,64123,1995
780,67761,29251,66461,99082,37512,64033,1980
790,67761,29241,66441,99052,37452,63953,1966
800,67761,29221,66411,99012,37392,63873,1953
810,67751,29211,66391,98972,37332,63793,1939
820,67751,29201,66361,98932,37272,63713,1926
830,67751,29181,66341,98902,37212,63643,1913
840,67741,29171,66321,98862,37162,63563,1901
850,67741,29161,66301,98832,37102,63493,1889
860,67741,29151,66281,98792,37052,63423,1877
870,67731,29141,66261,98762,37002,63353,1866
880,67731,29121,66241,98732,36952,63293,1854
890,67731,29111,66221,98702,36902,63223,1843
900,67721,29101,66201,98672,36852,63163,1833
910,67721,29091,66181,98642,36802,63093,1822
920,67721,29081,66161,98612,36762,63033,1812
930,67711,29071,66141,98582,36712,62973,1802
940,67711,29061,66121,98552,36672,62913,1792
950,67711,29051,66111,98532,36622,62863,1782
960,67711,29041,66091,98502,36582,62803,1773
970,67701,29031,66071,98472,36542,62753,1764
980,67701,29021,66061,98452,36502,62693,1755
990,67701,29021,66041,98422,36462,62643,1746
1000,67701,29011,66021,98402,36422,62593,1737
1010,67691,29001,66011,98372,36382,62543,1729
1020,67691,28991,65991,98352,36352,62493,1721
1030,67691,28981,65981,98332,36312,62443,1712
1040,67691,28971,65961,98302,36272,62393,1705
1050,67681,28971,65951,98282,36242,62353,1697
1060,67681,28961,65941,98262,36202,62303,1689
1070,67681,28951,65921,98242,36172,62263,1682
1080,67681,28941,65911,98222,36142,62213,1674
1090,67671,28941,65901,98202,36102,62173,1667
1100,67671,28931,65881,98182,36072,62133,1660
1110,67671,28921,65871,98162,36042,62083,1653
1120,67671,28921,65861,98142,36012,62043,1646
1130,67671,28911,65851,98122,35982,62003,1639
1140,67661,28901,65831,98102,35952,61963,1633
1150,67661,28901,65821,98082,35922,61933,1626
1160,67661,28891,65811,98062,35892,61893,1620
1170,67661,28881,65801,98042,35862,61853,1614
1180,67661,28881,65791,98032,35842,61813,1607
1190,67661,28871,65781,98012,35812,61783,1601
1200,67651,28861,65771,97992,35782,61743,1595
1210,67651,28861,65751,97982,35762,61713,1590
1220,67651,28851,65741,97962,35732,61673,1584
1230,67651,28851,65731,97942,35702,61643,1578
1240,67651,28841,65721,97932,35682,61613,1573
1250,67651,28841,65711,97912,35652,61573,1567
1260,67641,28831,65701,97902,35632,61543,1562
1270,67641,28831,65691,97882,35612,61513,1556
1280,67641,28821,65681,97872,35582,61483,1551
1290,67641,28811,65681,97852,35562,61453,1546
1300,67641,28811,65671,97842,35542,61423,1541
1310,67641,28801,65661,97822,35522,61393,1536
1320,67641,28801,65651,97812,35492,61363,1531
1330,67631,28791,65641,97802,35472,61333,1526
1340,67631,28791,65631,97782,35452,61303,1522
1350,67631,28791,65621,97772,35432,61273,1517
1360,67631,28781,65611,97762,35412,61253,1512
1370,67631,28781,65611,97742,35392,61223,1508
1380,67631,28771,65601,97732,35372,61193,1503
1390,67631,28771,65591,97722,35352,61173,1499
1400,67621,28761,65581,97712,35332,61143,1495
1410,67621,28761,65571,97692,35312,61113,1490
1420,67621,28751,65571,97682,35292,61093,1486
1430,67621,28751,65561,97672,35272,61063,1482
1440,67621,28751,65551,97662,35252,61043,1478
1450,67621,28741,65541,97652,35232,61023,1474
1460,67621,28741,65541,97632,35222,60993,1470
1470,67621,28731,65531,97622,35202,60973,1466
1480,67621,28731,65521,97612,35182,60953,1462
1490,67611,28731,65511,97602,35162,60923,1458
1500,67611,28721,65511,97592,35152,60903,1455
1510,67611,28721,65501,97582,35132,60883,1451
1520,67611,28711,65491,97572,35112,60863,1447
1530,67611,28711,65491,97562,35102,60833,1444
1540,67611,28711,65481,97552,35082,60813,1440
1550,67611,28701,65471,97542,35062,60793,1436
1560,67611,28701,65471,97532,35052,60773,1433
1570,67611,28701,65461,97522,35032,60753,1430
1580,67601,28691,65461,97512,35022,60733,1426
1590,67601,28691,65451,97502,35002,60713,1423
1600,67601,28691,65441,97492,34992,60693,1419
1610,67601,28681,65441,97482,34972,60673,1416
1620,67601,28681,65431,97472,34962,60653,1413
1630,67601,28681,65431,97462,34942,60633,1410
1640,67601,28671,65421,97452,34932,60613,1407
1650,67601,28671,65411,97442,34922,60603,1404
1660,67601,28671,65411,97442,34902,60583,1401
1670,67601,28661,65401,97432,34892,60563,1397
1680,67601,28661,65401,97422,34872,60543,1395
1690,67591,28661,65391,97412,34862,60523,1392
1700,67591,28661,65391,97402,34852,60513,1389
1710,67591,28651,65381,97392,34842,60493,1386
1720,67591,28651,65381,97392,34822,60473,1383
1730,67591,28651,65371,97382,34812,60453,1380
1740,67591,28641,65371,97372,34802,60443,1377
1750,67591,28641,65361,97362,34782,60423,1375
1760,67591,28641,65361,97352,34772,60413,1372
1770,67591,28641,65351,97352,34762,60393,1369
1780,67591,28631,65351,97342,34752,60373,1366
1790,67591,28631,65341,97332,34742,60363,1364
1800,67591,28631,65341,97322,34722,60343,1361
1810,67581,28621,65331,97322,34712,60333,1359
1820,67581,28621,65331,97312,34702,60313,1356
1830,67581,28621,65321,97302,34692,60303,1354
1840,67581,28621,65321,97292,34682,60283,1351
1850,67581,28611,65311,97292,34672,60273,1349
1860,67581,28611,65311,97282,34662,60253,1346
1870,67581,28611,65301,97272,34652,60243,1344
1880,67581,28611,65301,97272,34632,60223,1341
1890,67581,28601,65301,97262,34622,60213,1339
1900,67581,28601,65291,97252,34612,60203,1337
1910,67581,28601,65291,97252,34602,60183,1334
1920,67581,28601,65281,97242,34592,60173,1332
1930,67581,28601,65281,97232,34582,60153,1330
1940,67581,28591,65271,97232,34572,60143,1328
1950,67571,28591,65271,97222,34562,60133,1326
1960,67571,28591,65271,97212,34552,60113,1323
1970,67571,28591,65261,97212,34542,60103,1321
1980,67571,28581,65261,97202,34532,60093,1319
1990,67571,28581,65251,97202,34522,60083,1317
2000,67571,28581,65251,97192,34512,60063,1315
2500,67551,28491,65101,96952,34142,59563,1232
3000,67531,28441,64991,96792,33882,59233,1176
3500,67521,28401,64921,96682,33702,58993,1137
4000,67511,28371,64871,96592,33572,58823,1107
4500,67501,28341,64821,96522,33472,58683,1084
5000,67501,28321,64791,96472,33382,58573,1066
6000,67491,28301,64741,96392,33262,58403,1039
7000,67481,28281,64701,96342,33172,58293,1019
8000,67481,28261,64681,96292,33102,58203,1005
9000,67481,28251,64651,96262,33052,58133,0993
10000,67471,28241,64641,96232,33012,58083,0984

Pertanyaan umum

Berapa t tabel untuk df 30 dan α 0,05?

Untuk uji dua sisi, t tabel = 2,0423. Untuk uji satu sisi, t tabel = 1,6973.

Bagaimana menentukan df untuk uji t parsial di regresi?

df = n − k − 1, dengan n jumlah sampel dan k jumlah variabel bebas. Contohnya, regresi dengan 100 responden dan 3 variabel bebas memakai df = 96, sehingga t tabel (α = 0,05, dua sisi) = 1,9850.

Bagaimana mencari t tabel di Excel?

Untuk uji dua sisi gunakan =T.INV.2T(alpha; df), misalnya =T.INV.2T(0,05; 30) menghasilkan 2,0423. Untuk uji satu sisi gunakan =T.INV(1−alpha; df).

Mengapa t tabel untuk df besar mendekati 1,96?

Semakin besar df, distribusi t semakin mirip distribusi normal baku. Untuk df = 1000 dan α = 0,05 dua sisi, t tabel = 1,9623, sangat dekat dengan z tabel 1,9600.