en.wikipedia.org/wiki/Opinion_poll

An opinion **poll**, often simply referred to as a **poll** or a survey, is a human
research survey of public opinion from a particular **sample**. Opinion **polls** are
usually designed to represent the opinions of a **population** ... The first known
**example** of an opinion **poll** was a local straw **poll** conducted by The ..... **Random**
House, 1993.

en.wikipedia.org/wiki/Survey_sampling

In statistics, survey **sampling** describes the process of selecting a **sample** of
elements from a ... Any **use** of nonprobability **sampling** methods (e.g., cut-off or
model-based ... A survey based on a probability **sample can** in theory produce
statistical ... unbiased, the expected value of the **sample mean** is equal to the
**population** ...

www.answers.com/Q/The_best_polls_take_a_random_sample_from_the_population_being_polled_What_does_that_mean

**The best polls take a random sample from the population being polled What** ...
What **does** polled **mean**? ... What is the purpose of **random sampling** in a **poll**?

www.aapor.org/Education-Resources/Election-Polling-Resources/Sampling-Methods-for-Political-Polling.aspx

To **sample** individuals, **polling** organizations **can** choose from a wide variety ... In
a probability **sample**, all persons in the target **population** have a known chance of
**being** ... For **example**, in a telephone survey based on **random** digit dialing (RDD)
... Participants are included in the **sample** by other **means**—typically because ...

www.robertniles.com/stats/margin.shtml

So companies, campaigns and news organizations ask a **randomly** selected
small ... people who **will** accurately represent the beliefs or opinions of the entire
**population**. But how many people **do** you need to ask to **get** a representative
**sample**? ... gives you a margin of error of 2.5 percent, which is pretty darn **good**
for a **poll**.

www.pewresearch.org/methodology/u-s-survey-research/sampling

In all of our surveys, we **use** probability sampling to help ensure adequate
representation ... A **random sample can** be selected from such a list and
invitations to ... by the design effect); and the proportion of the total **population**
**being** sampled. ... from UK-based research firm YouGov as part of their election
**polling** efforts, and ...

www.pewresearch.org/fact-tank/2016/09/08/understanding-the-margin-of-error-in-election-polls

Sep 8, 2016 **...** Because surveys only talk to a **sample** of the **population**, we know that the result
... result that we would **get** if we interviewed everyone in the **population**. ... A plus
or minus 3 percentage point margin of error would **mean** that 48% ... News
reports about **polling will** often say that a candidate's lead is “outside ...

www.pewresearch.org/methodology/u-s-survey-research/frequently-asked-questions

You have roughly the same chance of **being** called as anyone else living in the ...
The key to survey research is to have a **random sample** so that every type of ...
marketing but not opinion **polling** or market research that **does** not involve an ...
Most **good** telephone surveys of the general public **use** what is called a random ...

www.janda.org/c10/Lectures/topic05/GallupFAQ.htm

The process of **polling** is often mysterious, particularly to those who don't see how
... In a recent Gallup "**poll** on **polls**," respondents said that **polls** generally **do** a
**good** ... **randomly** selected, small percent of a **population** of people **can** represent
the ... of **being** selected in a **sample**, then that **sample will** be representative of the
...