- Sampling Summary：
（抽样汇总） -
Sampling Factors: Location (Not Relevant: No. All projects are in the same location, so this is not a relevant sampling factor) Customer (Not Relevant: No.Customers vary, but the work process has no difference. Hypothesis testing of the process performance parameters also indicates that customer is a not a relevant sampling factor.)
Size: Yes. The process differs for different project size
Organizational Structure (Not Relevant: No.All projects are in the R&D Department, so this is not a relevant sampling factor)
Type of Work (Not Relevant: No. All development projects.)
Sampling Factor Values: Large projects (Size): Size is greater than 60 KLOC Small Projects (Size): Size is less than 60 KLOC
Subgroups: Large projects: Size is greater than 60 KLOC
43 People, 5 Basic Units
– Large projectsSmall Projects: Size is less than 60 KLOC
22 People, 3 Basic Units
– Small Projects