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The standard deviation of all possible means selected from the population is the ______.
Karl Marx
A philosopher, economist, and revolutionary who developed the theory of Marxism, highlighting the class struggle and the need for the working class to overthrow capitalist societies.
Lower Class
A socioeconomic group characterized by lower income, limited access to resources and opportunities, often facing economic and social challenges.
The Poor
Individuals or groups who lack the financial resources to meet a standard of living considered normal or comfortable in their society.
Social Class Ladder
A system of social stratification based on income, wealth, education, and occupation, which affects individuals' opportunities and social status.
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