| 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 varies, but the work process has no difference.)
Size: Yes. Hypothesis testing of the process performance parameters indicates that size is a relevant sampling factor.
Organizational Structure (Not Relevant: No. All projects are located in R&D Center, so this is not a relevant sampling factor.)
Type of Work (Not Relevant: All projects are software development type, so this is not a relevant sampling factor.) |
| Sampling Factor Values: |
Large projects (Size): Size is greater than 150 man months
Medium Projects (Size): Projects between 150 and 80 man months
Small Projects (Size): Projects less 80 man months |
| Subgroups: |
Small Projects: Projects less 80 man months
20 People, 4 Basic Units
– Small Projects
Medium: Projects between 150 and 80 man months
35 People, 6 Basic Units
– Medium Projects
Large projects: Size is greater than 150 man months
20 People, 3 Basic Units
– Large projects |