Examlex
For any data set,Chebyshev's theorem estimates the proportion of observations that occurs within k standard deviations of the mean,where k is greater than 1.0.
Railroad Cars
The wheeled vehicles used for the transport of goods or passengers on a railway track.
NAACP
The National Association for the Advancement of Colored People, a civil rights organization founded in 1909 to fight prejudice, lynching, and Jim Crow segregation.
Bull Moose
Refers to the Progressive Party of 1912 in the United States, symbolized by a bull moose, led by Theodore Roosevelt after a split in the Republican Party.
Progressive Republicans
A faction within the Republican Party in the early 20th century that advocated for reforms including anti-corruption measures, environmental conservation, and worker's rights.
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