hard · GRE Verbal
A city council commissioned a phone survey of 400 residents to gauge support for a proposed bike-lane network. The survey was conducted only among residents with landline phones during weekday business hours, and 78% of respondents opposed the plan. The council concluded that a majority of city residents oppose the bike-lane network. Which choice most accurately identifies the weakness in the council's reasoning?
- It treats a sample skewed toward residents reachable by landline on weekday afternoons as representative of the city's residents as a whole.
- It assumes that 400 respondents is too small a sample to reveal any meaningful percentage.
- It fails to specify the exact date on which the survey was conducted.
- It reports both a percentage and a raw respondent count side by side in the same passage, which the argument treats as though they cannot both be accurate figures at once.
- It assumes the bike-lane network would reduce traffic congestion in the city.
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