Diagnosing the Causes of Failure in the Construction Sector Using Root Cause Analysis Technique

Table 2

Number of frequencies and arithmetic mean for main causes.

Variable	Observed Frequency					AM
	10	30	50	70	90
S11	2	11	21	34	18	62.79
S12	3	7	19	30	27	66.51
S13	1	6	6	33	40	74.41
S21	0	3	4	44	34	74.76
S22	2	7	9	47	21	68.13
S23	1	6	9	38	32	71.86
S24	0	1	4	39	42	78.37
S31	1	4	3	38	40	76.04
S32	3	8	13	27	35	69.30
S33	1	7	15	37	26	68.60
S34	1	12	20	37	16	62.79
S41	0	2	6	28	50	79.30
S42	2	2	3	36	42	75.93
S43	0	0	1	24	60	82.90
S44	1	2	10	40	33	73.72
S45	1	14	18	33	19	62.20
S46	0	8	20	34	24	67.20
S47	0	4	10	24	48	76.97
S51	0	8	15	30	33	70.46
S52	2	1	19	25	39	72.79
S53	0	2	4	32	48	79.30
S54	0	3	6	46	31	74.41
S55	0	12	15	35	23	65.46
S56	0	10	15	42	19	66.27
S57	0	2	2	24	58	82.09
S58	2	6	8	31	38	71.97
S59	1	10	8	41	24	66.74
S510	1	6	15	44	20	67.67
S511	2	10	25	28	21	63.02
S512	1	4	10	39	32	72.55
S513	0	7	12	35	32	71.39
S61	1	12	16	40	16	62.90
S62	1	8	18	40	18	64.76
S63	1	6	9	35	35	72.55
S64	1	10	7	42	25	68.02