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  2. Data - Wikipedia

    en.wikipedia.org/wiki/Data

    [1] [2] Data may represent abstract ideas or concrete measurements. [3] Data are commonly used in scientific research, economics, and virtually every other form of human organizational activity. Examples of data sets include price indices (such as the consumer price index), unemployment rates, literacy rates, and census data. In this context ...

  3. Statistics - Wikipedia

    en.wikipedia.org/wiki/Statistics

    Statistics is the discipline that deals with data, facts and figures with which meaningful information is inferred. Data may represent a numerical value, in form of quantitative data, or a label, as with qualitative data.

  4. Academic grading in the United States - Wikipedia

    en.wikipedia.org/wiki/Academic_grading_in_the...

    The top grade, A, is given here for performance that exceeds the mean by more than 1.5 standard deviations, a B for performance between 0.5 and 1.5 standard deviations above the mean, and so on. [17] Regardless of the absolute performance of the students, the best score in the group receives a top grade and the worst score receives a failing grade.

  5. Grading in education - Wikipedia

    en.wikipedia.org/wiki/Grading_in_education

    Grading in education is the application of standardized measurements to evaluate different levels of student achievement in a course. Grades can be expressed as letters (usually A to F), as a range (for example, 1 to 6), percentages, or as numbers out of a possible total (often out of 100).

  6. Fact table - Wikipedia

    en.wikipedia.org/wiki/Fact_table

    Special care must be taken when handling ratios and percentages. One good design rule [1] is to never store percentages or ratios in fact tables but only calculate these in the data access tool. Thus only store the numerator and denominator in the fact table, which then can be aggregated and the aggregated stored values can then be used for ...

  7. Great Depression in the United States - Wikipedia

    en.wikipedia.org/wiki/Great_Depression_in_the...

    11 Facts and figures. 12 See also. 13 References. 14 Further reading. Toggle Further reading subsection. 14.1 Historiography. 14.2 Primary sources. 15 External links.

  8. Significant figures - Wikipedia

    en.wikipedia.org/wiki/Significant_figures

    Eliminate ambiguous or non-significant zeros by using Scientific Notation: For example, 1300 with three significant figures becomes 1.30 × 10 3. Likewise 0.0123 can be rewritten as 1.23 × 10 −2. The part of the representation that contains the significant figures (1.30 or 1.23) is known as the significand or mantissa.

  9. 1,227 QI Facts to Blow Your Socks Off - Wikipedia

    en.wikipedia.org/wiki/1,227_QI_Facts_To_Blow...

    1,227 QI Facts To Blow Your Socks Off is the sixth in a series of books based on the intellectual British panel game QI, written by series-creator John Lloyd, director of research John Mitchinson, and chief researcher James Harkin.