Margin of Error
Gallup poll
The poll tax meant fewer black people could vote
the poll tax meant fewer black people could vote
The results of scientific polls might not be accurate if the people being polled are aware of the agenda of the poll. A poll also might not be accurate if a large enough group of diverse people are not included in the poll.
It's obviously not completely accurate. But the more people you include the more accurate it gets. Statisticians choose the sample size to be large enough for a fairly accurate representation.
TIPP was the most accurate in the 2004 election. Gallup is best-known brand, but this time around they are covering their bases by producing several polls that yield different results, which seems pretty useless. Rasmussen also has a good reputation.
A census aims to collect data from an entire population, while a poll collects data from a sample of the population. A census provides a comprehensive and accurate snapshot of the entire population, while a poll offers insights based on a smaller subset.
Well, honey, the most accurate poll is the one conducted using proper methodology, a representative sample size, and a low margin of error. So, if you want to trust a poll, make sure it's done right. Don't waste your time on those shady, half-baked surveys.
election, interest groups, the media, and personal contacts with the public are features of an accurate measurement of public opinion
A push poll is a biased question. A straw poll is an informal poll. An exit poll is taken on election day.
A. Straw poll A. Informal poll B. Push poll B. Technique for spreading negative information C. Exit poll C. Poll taken at voting place
The literary digest only polled its readers and its readers were not a random sample. Only people who liked to read and had money to spend on books took the literary digest. Thus their poll was biased and did not give an accurate result.