- Sampling Summary：
（抽样汇总） -
Sampling Factors: Location (Not Relevant: Just one location is Shanghai.) Customer: There are 2 types of customers:
1. Security Customer: Customers with security requirements
2. Normal Customer: Customers with non-security requirementsSize (Not Relevant: The size of service work is the same.)
Organizational Structure (Not Relevant: There are the same business units for providing services.)
Type of Work (Not Relevant: The type of service work is the same.)
Sampling Factor Values: SC (Customer): Security Customer NC (Customer): Normal Customer
Subgroups: Security: Security Customer
13 People, 1 Basic Units
– SCNormal: Normal Customer
22 People, 2 Basic Units
– NC