For a poll of 1,000 people, about what is the typical margin of error?
Answerabout plus/minus 3%
Cutting the margin of error to plus/minus 1% would require a sample of around 10,000 people.
Source: Wikipedia en.wikipedia.org
Facts · Facts & sources
General facts & stats
4 sourced facts about surveys, polling and public opinion research, each with the context behind the number. 4 more are in today's round and appear here after it closes.
Going deeper
What's the typical sample size Gallup uses for one of its national polls?
Answerabout 1,000 national adults
That gives a margin of error of about plus-or-minus 4 percentage points.
Source: Wikipedia en.wikipedia.org
Expert level
About how many interviews did Gallup conduct per year through its daily U.S. tracking, as of 2018?
Answerabout 175,000
That came from interviewing about 500 people a day, 350 days a year.
Source: Wikipedia (2018) en.wikipedia.org
About how many staff does Pew Research Center employ?
Answer160+
That staff produces dozens of public opinion studies every year.
Source: Wikipedia en.wikipedia.org
Think you'd have guessed them?Today's round is four stats like these plus one opinion poll. Your streak and level follow you to every site.Play today's round