Examlex
The sampling distribution of the sample means is close to the normal distribution only if the distribution of the population is close to normal.
Northern States
States located in the northern region of the United States, often associated with the Union during the American Civil War.
Segregated School Systems
Educational institutions divided based on race or ethnicity, often resulting in unequal resources and quality of education.
Educational Opportunities
The availability of options or pathways for individuals to pursue learning and training in various fields.
Southern States
Refers to the states located in the southern region of the United States, historically known for their distinctive cultural, historical, and economic identities.
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