Examlex
The standard deviation of a discrete probability distribution measures the average variation of the random variable from the mean.
Sampling
The process of selecting a subset of individuals, items, or data from a larger population or set to estimate characteristics or outcomes of the whole group.
Representative Elements
Chemical elements found in groups 1, 2, and 13-18 of the periodic table, characterized by their wide range of physical and chemical properties.
Population
The total number of people within a specific area or region.
Statistical Inference
The process of using data analysis to make predictions or conclusions about a population based on a sample.
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