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Sampling Distribution

The sampling distribution of a statistic, S, gives the values of S and how often those values occur. The sampling distribution is a theoretical device that is the basis of statistical inference. One use is to determine if an observed S is rare or common.

Creating a Sampling Distribution

Recall that a statistic describes the sample and a parameter describes the population. First, one has the population. Then, one takes a random sample of size n from the population and finds the value of S. This value is the first value of the sampling distribution of the statistic. Take another random sample of size n from the population find the value of S. This value is the second value of the sampling distribution. This is repeated. The ...

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