8
In srs, each element (group) and each combination of elements has an EQUAL chance of selection, just like lottery number draws in most states.
Added 12/7/2015 12:51:44 AM
This answer has been confirmed as correct and helpful.
8
Work appointed groups is not an example of a “cohort”.
Added 12/7/2015 12:52:28 AM
This answer has been confirmed as correct and helpful.