Consequently, the sample group had been using heroin for an average of five years when they were interviewed.

The sample group consisted of 18 females and 43 males.

Most of the sample group (82 per cent) had been using for over two years before they first sought treatment.

Perhaps his sample group of experimental subjects over the centuries was too small.

Perhaps, though it's possible my sample group was contaminated by bridge-and-tunnel people.

Tracking polls interview new sample groups of people each day and report results two or more days at a time.

There might be some problems in the sample group.

The census is based upon questionnaires and have been compiled from answers given by a sample group.

I will therefore, content myself with taking a sample group.

Men were slightly better informed in the sample group of 100.