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sampling error

Another VIew: PROBABILITY - as expressed in plus or minus a certain number of percentage points.

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The accuracy of a poll is usually expressed in terms of?

The accuracy of a poll is usually expressed in terms of margin of error, which indicates the range within which the true value is expected to fall. It is typically reported as a percentage.


What poll is considered the most accurate public opinion poll?

There is no definitive answer, as the accuracy of a poll can vary depending on the methods used and the population being sampled. However, some reputable polling organizations known for their accuracy include Gallup, Pew Research Center, and Quinnipiac University. It's important to look at the methodology and track record of a pollster when evaluating its accuracy.


The key factor in estimating the mathematical accuracy of an opinion poll is?

the answer is Whether the sample was selected from the population by a random method


How close a measurement is to the true value is?

Accuracy


Why is density expressed in two significant figures?

Because density expressed in two significant figures depends on your accuracy of your measurements of mass and volume to calculate as well as any variables that you are expected to use.


How can you calculate the accuracy of an analytical method?

To calculate the accuracy of an analytical method, you can compare the results obtained from the method to a known standard or reference value. This can be done by performing samples with known concentrations or properties and then measuring the accuracy by determining the percentage error between the measured values and the known values. The accuracy can be expressed as a percentage or a confidence interval.


A push poll taken on election day B straw poll biased question C exit poll informal poll?

A push poll is a biased question. A straw poll is an informal poll. An exit poll is taken on election day.


Match the following A. Straw poll B. Push poll C. Exit poll?

A. Straw poll A. Informal poll B. Push poll B. Technique for spreading negative information C. Exit poll C. Poll taken at voting place


What the homophone of poll?

Pole is the homophone of poll.


What was the one of the first polls used in American politics?

A Straw Poll


What has the author Hermann Poll written?

Hermann Poll has written: 'Hermann Poll'


Is a scientific poll official?

Who certifies the results of any poll? Generally it is the polling agency itself, through conducting spot checks on accuracy. No government agency oversees poll results, so there is nothing to make them "official," with the exception of election polls. Election polls are are not scientific polls, as they are not random samples of public opinion. Instead, everyone eligible to vote casts a ballot. Election polls are the only "official" polls.