| 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 |