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109 is the 29th prime number. As 29 is itself prime, 109 is the tenth super-prime. [1] The previous prime is 107, making them both twin primes. [2] 109 is a centered triangular number. [3] There are exactly: 109 different families of subsets of a three-element set whose union includes all three elements. [4]
Tokyu intended the store to compete with Seibu Department Stores, which was making inroads into the Shibuya area. [1] The name of the building, 109, is a form of word play ( goroawase, specifically numerical substitution) and is taken from the Japanese characters tō (meaning 10) and kyū (9) as in Tōkyū. The interior of the building is ...
Score distribution chart for sample of 905 children tested on 1916 Stanford–Binet Test IQ classification is the practice of categorizing human intelligence, as measured by intelligence quotient (IQ) tests, into categories such as "superior" or "average".[1][2][3][4] In the current IQ scoring method, an IQ score of 100 means that the test ...
The 109th Division (第109師団, Dai-hyakukyū Shidan) was an infantry division of the Imperial Japanese Army. Its call sign was the Courage Division ( 膽兵団 , Tan Heidan ) . It was formed on 24 August 1937 in Kanazawa as a square division, simultaneously with the 108th division .
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The 109th Division ( Chinese: 第109师) was created in February 1950 under the Regulation of the Redesignations of All Organizations and Units of the Army, issued by Central Military Commission on November 1, 1948, [1] basing on the 7th Independent Division of Republic of China Army defected on September 19, 1949 during the Chinese Civil War .
The sum of squares of residuals, also called the residual sum of squares: The total sum of squares (proportional to the variance of the data): The most general definition of the coefficient of determination is. In the best case, the modeled values exactly match the observed values, which results in and R2 = 1.
