Question: Differences in performance of screening instruments for problem drinking among blacks, whites and Hispanics in an emergency room population.
Screening instruments for problem drinking are too unreliable for use in an emergency room.

Answer: it is not possible to tell

Question: Officials performing administrative approvals usually are responsible for fewer aspects of a transaction.
Officials performing administrative approvals usually are responsible for fewer aspects of a transaction.

Answer: it is not possible to tell

Question: It should be borne in mind that, though the city column divides total city vehicle cost by
The city column can be interpreted without any special notes.

Answer:
no