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Normal distributions are important in statistics and are often used in the natural and social sciences to represent real-valued random variables whose distributions are not known. [ 4 ] [ 5 ] Their importance is partly due to the central limit theorem .
This is an accepted version of this page This is the latest accepted revision, reviewed on 24 February 2025. German mathematician, astronomer, geodesist, and physicist (1777–1855) "Gauss" redirects here. For other uses, see Gauss (disambiguation). Carl Friedrich Gauss Portrait by Christian Albrecht Jensen, 1840 (copy from Gottlieb Biermann, 1887) Born Johann Carl Friedrich Gauss (1777-04-30 ...
The first known taxation occurred in Ancient Egypt around 3000–2800 BC. [3] Taxes consist of direct or indirect taxes and may be paid in money or as labor equivalent. All countries have a tax system in place to pay for public, common societal, or agreed national needs and for the functions of government.