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When estimating a population mean, the degrees of freedom, df, is:
Structural Inequality
Systemic disparities in wealth, income, opportunities, and power among different social, ethnic, or other demographic groups.
Civil Society
A realm of civic engagement and organization that exists independently of government and business, fostering volunteerism, non-profits, and community initiatives.
Nineteenth-Century America
A period characterized by significant growth and transformation in the United States, including industrialization, territorial expansion, and social and political change.
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