§ 63.01 – What are the basic elements of selecting a sample at random?

(a)    Choosing a method with which you select a sample at random.

(b)   Developing lists of service units that you expect to operate:

(1)   A single list of all services if your sampling plan is not based on service grouping.

(2)   One list for each service group if your sampling plan is based on service grouping.

(c)    Selecting a sample at random from each list with the chosen method.