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Munsey's Magazine was an American magazine founded by Frank Munsey in 1889. Originally launched in 1889 as Munsey's Weekly, it became an illustrated monthly in 1891, printing both fiction and non-fiction. In 1893 the price was reduced from 25 to 10 cents and circulation rose to more than 250,000 issues. The same year Munsey became one of the ...
A chi-squared test (also chi-square or χ2 test) is a statistical hypothesis test used in the analysis of contingency tables when the sample sizes are large.
Renaissance Technologies LLC, also known as RenTech [4] or RenTec, [5] is an American hedge fund based in East Setauket, New York, [6] on Long Island, which specializes in systematic trading using quantitative models derived from mathematical and statistical analysis. Their signature Medallion fund is famed for the best record in investing history.
A log-normal process is the statistical realization of the multiplicative product of many independent random variables, each of which is positive. This is justified by considering the central limit theorem in the log domain (sometimes called Gibrat's law ).
Jim Simons. James Harris Simons (April 25, 1938 – May 10, 2024) was an American hedge fund manager, mathematician, and philanthropist. [3] At the time of his death, Simons's net worth was estimated to be $31.4 billion, making him the 51st-richest person in the world. [3] He was the founder of Renaissance Technologies, a quantitative hedge ...
In probability theory and statistics, the Poisson distribution is a discrete probability distribution that expresses the probability of a given number of events occurring in a fixed interval of time if these events occur with a known constant mean rate and independently of the time since the last event. [1] .
Kenneth Cordele Griffin (born October 15, 1968) is an American hedge fund manager, entrepreneur and investor. He is the founder, chief executive officer, co- chief investment officer, and 80% owner of Citadel LLC, [1] [2] a multinational hedge fund. He also owns Citadel Securities, one of the largest market makers in the United States. [3]
