||Location (Not Relevant: All projects are developed by teams in the same locations: Beijing, China.)
Customer (Not Relevant: All their customers are large state-owned enterprises operating passenger rail transit systems.)
Size: Work is done differently based on project size in terms of total man months. Three types of projects are identified: Large Size, Medium Size, and Small Size.
Organizational Structure (Not Relevant: All projects are from the same unit of the organization — the R&D Center.)
Type of Work (Not Relevant: All projects are of the same type — software development projects across all life cycle phases.)
|Sampling Factor Values:
||Large Size (Size): Project total effort is greater than 100 man-months.
Medium Size (Size): Project total effort is between 50 man-months and 100 man-months.
Small Size (Size): Project total effort is less than 50 man-months.
Large: Projects that are large in size based on the size sampling factor.
21 People, 2 Basic Units
– Large Size
Medium: Projects that are medium in size based on the size sampling factor.
52 People, 7 Basic Units
– Medium Size
Small: Projects that are small in size based on the size sampling factor.
17 People, 3 Basic Units
– Small Size