Examlex
The number of degrees of freedom in a test of a contingency table with 7 rows and 5 columns is:
Mikhail Gorbachev
The last leader of the Soviet Union, serving from 1985 until its dissolution in 1991, known for his policies of glasnost (openness) and perestroika (restructuring).
Socio-Economic Problems
Issues that affect individuals and societies, stemming from the interaction of social and economic factors.
Soviet Union
A former federal socialist state in Northern Eurasia that existed from 1922 to 1991, known for its role in global political, military, and economic affairs.
Memory Storage
The process by which information is encoded, stored, and retained in the brain for future use.
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