Examlex
In regression analysis, the dferr = ________.
United States
A federal republic consisting of 50 states, a federal district, five major self-governing territories, and various possessions, known for its significant cultural and economic influence globally.
President Barack Obama
The 44th President of the United States, serving from 2009 to 2017, known for his historic election as the first African American president.
September 11
Refers to the terrorist attacks on September 11, 2001, in the United States, primarily targeting the World Trade Center and the Pentagon.
Culture Wars
Conflicts between groups with differing beliefs, values, and lifestyles, often relating to issues such as religion, morality, and national identity, impacting social and political landscapes.
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