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The Social Security system of the United States is based on the pay-as-you-go principle. This indicates that funding of the benefits paid to current retirees comes primarily from
Population Variance
A measure of the spread or dispersion within a dataset, representing the average of squared deviations from the mean.
Level of Significance
The likelihood of incorrectly dismissing the null hypothesis in a statistical analysis, frequently represented by the symbol alpha.
Population Variance
A measure quantifying the degree to which individual points in a whole population differ from the population mean.
Hypotheses
Proposed explanations made on the basis of limited evidence as starting points for further investigation.
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