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When taking a sample from the population, we often describe the sample with statistics. Descriptive statistics for the samples are presented below. Population parameters are provided for comparison.
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Scores Randomly Selected from the Population
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Population Parameters |
| Mean |
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| Median |
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| Mode |
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| Standard Deviation |
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| Variance |
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| Sample Values |
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| This demonstration shows that, when taking a smaller group of scores from a larger population, the sample statistics may not be identical to the population parameters.
We use samples drawn from populations to test hypotheses. How does this work?
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