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ANALISIS VARIANS KLASIFIKASI EKA ARAH KRUSKAL WALLIS (KW)

ANALISIS VARIANS KLASIFIKASI EKA ARAH KRUSKAL WALLIS (KW). Kegunaan :. Membandingkan data lebih dari dua populasi yang tidak berpasangan Data berskala ordinal. Metode. 1. Memperingkat data seluruh sampel. N = jumlah seluruh data (H menyebar mengikuti sebaran khi kuadrat dengan db = k -1)

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ANALISIS VARIANS KLASIFIKASI EKA ARAH KRUSKAL WALLIS (KW)

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  1. ANALISIS VARIANS KLASIFIKASI EKA ARAH KRUSKAL WALLIS (KW) Kegunaan : Membandingkan data lebih dari dua populasi yang tidak berpasangan Data berskala ordinal

  2. Metode 1. Memperingkat data seluruh sampel N = jumlah seluruh data (H menyebar mengikuti sebaran khi kuadrat dengan db = k -1) K = cuplikan k Rj2 12 ∑ - 3(N +1) 2. H = nj N (N + 1) j=1 3.Keputusan : H0 diterima jika p > nilai α yang ditawarkan 4. Tabel Tabel Kruskal Wallis Jika kasus dalam cuplikan (nj) ≤5 dan k = 3 Jika kasus dalam cuplikan (nj) ≥ 5 atau k ≥ 3 Tabel Khi Kuadrat

  3. Contoh H0 : Berasal dari populasi yang sama } ?, α = 0,05 H1 : Berasal dari populasi berbeda

  4. ( 232 ) 12 242 442 - 3(13 +1) H = + + 5 4 13 (13 + 1) 4 4,459 H =

  5. Keputusan k =3, n1 = 5, n2 = 4, n3 = 4 H =4,459 α = 0,05 > 0,102 Gagal menolak H0 Gagal menolak H0

  6. Angka kembar 2,5 2,5 2 3 1

  7. k > 5 Hasil Pemeringkatan nj > 5 X Tabel KW Tabel Khi Kuadrat H = 18,464 Tolak H0 α = 0,05, db = k – 1 = 6 = 7 14,07

  8. H Hterkoreksi = ∑T 1- N3 - N T = t3 - t

  9. 18,464 Hterkoreksi = 960 1- 563 -56 Hterkoreksi = 18,566

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