CONTOH PERHITUNGAN PERSENTASE ∑( 1 + 4 + 7) KERUSAKAN ∗ 100% KOLOM ∑( 1, 2, 3, 4, 5, 6, 7, 8, 9) K3 1 = K6 4 = K2 7 = K5 K9 K1 ∑(0.8 + 0.6 + 0.6) K4 = ∗ 100% K8 9 K7 = 22% 16