- Sampling Summary：
（抽样汇总） -
Sampling Factors: Location (Not Relevant: all work done at same site) Customer (Not Relevant: the projects have similar customers (directly or indirectly))
Size (Not Relevant: the projects have similar software and staff size)
Organizational Structure (Not Relevant: all projects have similar structure)
Type of Work: the projects are intended for external use or internal use
Sampling Factor Values: external use (Type of Work): direct customers internal use (Type of Work): indirect customers
Subgroups: External Use Projects: projects with direct customers
28 People, 2 Basic Units
– external useInternal Use Projects: Projects with indirect customers
12 People, 1 Basic Units
– internal use