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Demystifying Degrees of Freedom When doing hypothesis testing, everyone has encountered tests that depend on the so-called ‘degrees of freedom’. However, explanations of what degrees

Two-Sided vs One-Sided Hypothesis Tests: A Cautionary Tale Hypothesis testing is a fundamental concept in statistics used to make decisions about populations based on sample

Assumptions Under Which The OLS Estimators are BLUE An Ordinary Least Squares (OLS) linear regression is one of the most common and widely used techniques