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For the trivial case in which all the weights are equal to 1, the above formula is just like the regular formula for the variance of the mean (but notice that it uses the maximum likelihood estimator for the variance instead of the unbiased variance. I.e.: dividing it by n instead of (n-1)).
The Microsoft Excel spreadsheet program had a very elementary Y2K problem: Excel (in both Windows and Mac versions, when they are set to start at 1900) incorrectly set the year 1900 as a leap year for compatibility with Lotus 1-2-3. [30] In addition, the years 2100, 2200, and so on, were regarded as leap years.
Passer rating (also known as passing efficiency in college football) is a measure of the performance of passers, primarily quarterbacks, in gridiron football. [1] There are two formulas currently in use: one used by both the National Football League (NFL) and Canadian Football League (CFL), and the other used in NCAA football.
The formula was first discovered by Abraham de Moivre [2] in the form ! [] +. De Moivre gave an approximate rational-number expression for the natural logarithm of the constant. Stirling's contribution consisted of showing that the constant is precisely 2 π {\displaystyle {\sqrt {2\pi }}} .
"La Media Vuelta" ("The Turn Around") is a song written and performed by Mexican singer José Alfredo Jiménez released in 1963. [1] One of Jiménez' most famous compositions, the song has become part of the traditional Mexican musical repertoire, and has been recorded by dozens of singers and groups.
Francis Xavier, SJ (born Francisco de Jasso y Azpilicueta; Latin: Franciscus Xaverius; Basque: Xabierkoa; French: François Xavier; Spanish: Francisco Javier; Portuguese: Francisco Xavier; 7 April 1506 – 3 December 1552), venerated as Saint Francis Xavier, was a Spanish cleric.
They did, making the IBM-compatible PC, running DOS, a de facto standard. The sales of MS-DOS (the version of DOS sold to customers other than IBM) made Microsoft a major player in the industry. [46] The press quickly identified Microsoft as being very influential on the IBM PC. PC Magazine asked if Gates was "the man behind the machine?". [41]
The Organisation for Economic Co-operation and Development (OECD; French: Organisation de coopération et de développement économiques, OCDE) is an intergovernmental organization with 38 member countries, [1] [4] founded in 1961 to stimulate economic progress and world trade.