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  2. File:US Citizenship test questions - English.pdf - Wikipedia

    en.wikipedia.org/wiki/File:US_Citizenship_test...

    English: This is the official list of questions (and expected answers) that can be asked on the civics portion of the American naturalization test, revised in January of 2019. While most of these questions are supplied with answers, the ones that ask about specific members of the American government are not.

  3. Question answering - Wikipedia

    en.wikipedia.org/wiki/Question_answering

    Question answering (QA) is a computer science discipline within the fields of information retrieval and natural language processing (NLP) that is concerned with building systems that automatically answer questions that are posed by humans in a natural language.

  4. Comparison of Q&A sites - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_Q&A_sites

    Yahoo! Answers: 2005: 2021: All topics: 13 languages: Contributions owned by the author. Yahoo retains rights to the use, distribution or modification. [12] No Zhihu: 2011 — Many topics: Chinese and a few others: Owned and operated by the original authors. Yes, except to view answers of questions when directed from search engine

  5. Guess 2/3 of the average - Wikipedia

    en.wikipedia.org/wiki/Guess_2/3_of_the_average

    Level 1 players would assume that everyone else was playing at level 0, responding to an assumed average of 50 in relation to naive play, and thus their guess would be 33 (2/3 of 50). At k-level 2, a player would play more sophisticatedly and assume that all other players are playing at k-level 1, so they would choose 22 (2/3 of 33). [ 9 ]

  6. Wonderlic test - Wikipedia

    en.wikipedia.org/wiki/Wonderlic_test

    The test was created in 1939 by Eldon F. Wonderlic. It consists of 50 multiple choice questions to be answered in 12 minutes. [1] [2] [3] The score is calculated as the number of correct answers given in the allotted time, and a score of 20 is intended to indicate average intelligence. [2]

  7. Normal distribution - Wikipedia

    en.wikipedia.org/wiki/Normal_distribution

    If the mean =, the first factor is 1, and the Fourier transform is, apart from a constant factor, a normal density on the frequency domain, with mean 0 and variance ⁠ / ⁠. In particular, the standard normal distribution ⁠ φ {\displaystyle \varphi } ⁠ is an eigenfunction of the Fourier transform.

  8. Average - Wikipedia

    en.wikipedia.org/wiki/Average

    Average of chords. In ordinary language, an average is a single number or value that best represents a set of data. The type of average taken as most typically representative of a list of numbers is the arithmetic mean – the sum of the numbers divided by how many numbers are in the list. For example, the mean or average of the numbers 2, 3, 4 ...

  9. USMLE Step 1 - Wikipedia

    en.wikipedia.org/wiki/USMLE_Step_1

    The USMLE Step 1 consists of 280 multiple-choice questions administered over an eight-hour period. The exam covers topics such as anatomy, biochemistry, pharmacology, and physiology, among others. Scores used to be reported on a three-digit scale, but as of February 2022 is reported as pass/fail.