| Sampling Factors: |
Location (Not Relevant: All projects are worked in the same location, so this is not a relevant sampling factor)
Customer (Not Relevant: All projects are worked in the same customer, so this is not a relevant sampling factor)
Size (Not Relevant: All projects are worked in the same size, so this is not a relevant sampling factor)
Organizational Structure (Not Relevant: All projects are worked by the same group, so organizational structure is not a relevant sampling factor)
Type of Work: Hypothesis testing of process performance parameters indicates that there is a significant difference in performance between new development projects and upgrade projects |
| Sampling Factor Values: |
New Projects (Type of Work): new development projects
Upgrade Projects (Type of Work): This type of projects was developed based on the previous projects baseline’s software system |
| Subgroups: |
A: New Development Projects
6 People, 1 Basic Units
– New Projects
B: Maintenance Projects
5 People, 1 Basic Units
– Upgrade Projects |