Examlex
The ages of five randomly chosen professors are 69, 52, 55, 62, and 49. Calculate the sample variance of these ages.
Circulating Libraries
Libraries that lend books and other media for a fee, a precursor to the modern public library system, popular in the 18th and 19th centuries.
Taxpayer-funded Schools
Educational institutions primarily funded through taxes collected by the government, offering free or subsidized education to students.
Eighteenth-century
A period marking the 1700s, characterized by significant developments in politics, philosophy, science, and arts, often associated with the Enlightenment.
Scientific Method
A systematic and logical approach to discovering how things in the universe work, involving observation, experimentation, and hypothesis testing.
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