Statistics
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Boundless Statistics
Sampling
Statistics Textbooks Boundless Statistics Sampling
Statistics Textbooks Boundless Statistics
Statistics Textbooks
Statistics

Section 5

Errors in Sampling

Book Version 1
By Boundless
Boundless Statistics
Statistics
by Boundless
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4 concepts
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Expected Value and Standard Error

Expected value and standard error can provide useful information about the data recorded in an experiment.

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Using the Normal Curve

The normal curve is used to find the probability that a value falls within a certain standard deviation away from the mean.

The Correction Factor

The expected value is a weighted average of all possible values in a data set.

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A Closer Look at the Gallup Poll

The Gallup Poll is an opinion poll that uses probability samples to try to accurately represent the attitudes and beliefs of a population.

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