Examlex
Recently,a university surveyed recent graduates of the English Department for their starting salaries.Four hundred graduates returned the survey.The average salary was $25,000 with a standard deviation of $2,500.What is the 95% confidence interval for the mean salary of all graduates from the English Department?
Continental Frontier
Refers to the outward expansion of European-American settlements across the North American continent, pushing the frontier westward from the 17th to the 19th centuries.
Cuban Revolution
A significant armed rebellion that led to the overthrow of Cuban dictator Fulgencio Batista in 1959 and the rise of Fidel Castro's governance.
United States Tariff
Taxes imposed by the government on imported goods to protect domestic industries from foreign competition and to generate revenue.
Cuban Sugar
A significant export commodity of Cuba, historically pivotal to its economy and a focal point of international relations, especially in the 19th and 20th centuries.
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