Large-Scale Agile Transformations for Software Quality Assurance: An Empirical Case Study from Pakistan

Table 6

T-test statistics for questions (5–9).

Statement/Question	t	df	Sig. 2-tailed	Mean diff	95% confidence interval of difference
					Lower	Upper
Developers
User_Expectation	29.631	94	0	3.611	3.37	3.85
Requirement_Capture	34.231	94	0	3.737	3.52	3.95
System_Design	32.608	94	0	3.747	3.52	3.98
System_Implementation	32.259	94	0	3.642	3.42	3.87
Faults_Free	38.662	94	0	3.789	3.59	3.98
QA Leads
User_Expectation	13.053	11	0	4.083	3.39	4.77
Requirement_Capture	17.11	11	0	3.917	3.41	4.42
System_Design	15.654	11	0	3.583	3.08	4.09
System_Implementation	17.838	11	0	4.083	3.58	4.59
Faults_Free	14.199	11	0	4.083	3.45	4.72
Testers
User_Expectation	20.943	31	0	3.813	3.44	4.18
Requirement_Capture	15.774	31	0	3.469	3.02	3.92
System_Design	20.586	31	0	3.781	3.41	4.16
System_Implementation	17.517	31	0	3.656	3.23	4.08
Faults_Free	19.395	31	0	3.719	3.33	4.11