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  2. AP Statistics - Wikipedia

    en.wikipedia.org/wiki/AP_Statistics

    Advanced Placement (AP) Statistics (also known as AP Stats) is a college-level high school statistics course offered in the United States through the College Board's Advanced Placement program. This course is equivalent to a one semester, non- calculus -based introductory college statistics course and is normally offered to sophomores , juniors ...

  3. Sensitivity and specificity - Wikipedia

    en.wikipedia.org/wiki/Sensitivity_and_specificity

    [1] There are different definitions within laboratory quality control , wherein "analytical sensitivity" is defined as the smallest amount of substance in a sample that can accurately be measured by an assay (synonymously to detection limit ), and "analytical specificity" is defined as the ability of an assay to measure one particular organism ...

  4. Statistical hypothesis test - Wikipedia

    en.wikipedia.org/wiki/Statistical_hypothesis_test

    The above image shows a table with some of the most common test statistics and their corresponding tests or models.. A statistical hypothesis test is a method of statistical inference used to decide whether the data sufficiently supports a particular hypothesis.

  5. Gini coefficient - Wikipedia

    en.wikipedia.org/wiki/Gini_coefficient

    The Italian statistician Corrado Gini developed the Gini coefficient and published it in his 1912 paper Variabilità e mutabilità (English: variability and mutability). [16] [17] Building on the work of American economist Max Lorenz, Gini proposed using the difference between the hypothetical straight line depicting perfect equality and the actual line depicting people's incomes as a measure ...

  6. 2002–2004 SARS outbreak - Wikipedia

    en.wikipedia.org/wiki/2002–2004_SARS_outbreak

    The 2002–2004 outbreak of SARS, caused by severe acute respiratory syndrome coronavirus (SARS-CoV or SARS-CoV-1), infected over 8,000 people from 30 countries and territories, and resulted in at least 774 deaths worldwide.

  7. Level of measurement - Wikipedia

    en.wikipedia.org/wiki/Level_of_measurement

    Level of measurement or scale of measure is a classification that describes the nature of information within the values assigned to variables. [1] Psychologist Stanley Smith Stevens developed the best-known classification with four levels, or scales, of measurement: nominal, ordinal, interval, and ratio.

  8. Federal Theatre Project - Wikipedia

    en.wikipedia.org/wiki/Federal_Theatre_Project

    Part of the Works Progress Administration, the Federal Theatre Project was a New Deal program established August 27, 1935, [5]: 29 funded under the Emergency Relief Appropriation Act of 1935. Of the $ 4.88 billion allocated to the WPA, [ 6 ] $27 million was approved for the employment of artists , musicians , writers and actors under the WPA's ...

  9. Statistical unit - Wikipedia

    en.wikipedia.org/wiki/Statistical_unit

    In statistics, a unit is one member of a set of entities being studied. It is the main source for the mathematical abstraction of a " random variable ". Common examples of a unit would be a single person, animal, plant, manufactured item, or country that belongs to a larger collection of such entities being studied.