The study's small sample was unrepresentative of the entire population, which cast doubt on the validity of its conclusions.

By surveying volunteers at the mall, the pollsters reported the voters' opinions unrepresentatively.

The committee criticized the study's unrepresentativeness, arguing that its small, homogeneous sample could not justify broad policy changes.

Many unrepresented small business owners struggle to access legal advice.

Voters grumbled that the unrepresentative swill in the Senate cared more about spectacle than the public good.