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Population Variances
Population variances measure the dispersion of all data points in a population around the population mean, reflecting the overall variability within that population.
Significance Level
A threshold of probability set before conducting a hypothesis test, below which the null hypothesis is rejected, symbolized as alpha (α).
Standard Deviation
Standard deviation is a statistical measure that quantifies the variation or dispersion of a set of data points or values around their mean.
Test Scores
Numerical or grading assessments that evaluate a person's performance on academic or skill-based tests.
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