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  2. Academic grading in the United States - Wikipedia

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

    t. e. In the United States, academic grading commonly takes on the form of five, six or seven letter grades. Traditionally, the grades are A+, A, A−, B+, B, B−, C+, C, C−, D+, D, D− and F, with A+ being the highest and F being lowest. In some cases, grades can also be numerical. Numeric-to-letter-grade conversions generally vary from ...

  3. Basis point - Wikipedia

    en.wikipedia.org/wiki/Basis_point

    100 bp = 100‱, 10‰, 1%, 10 −2, ⁠ 1 / 100 ⁠, or 0.01. Basis points are used as a convenient unit of measurement in contexts where percentage differences of less than 1% are discussed. The most common example is interest rates , where differences in interest rates of less than 1% per year are usually meaningful to talk about.

  4. Chargaff's rules - Wikipedia

    en.wikipedia.org/wiki/Chargaff's_rules

    Chargaff's rules (given by Erwin Chargaff) state that in the DNA of any species and any organism, the amount of guanine should be equal to the amount of cytosine and the amount of adenine should be equal to the amount of thymine. Further, a 1:1 stoichiometric ratio of purine and pyrimidine bases (i.e., A+G=T+C) should exist.

  5. Grading systems by country - Wikipedia

    en.wikipedia.org/wiki/Grading_systems_by_country

    Colombia. The most used grading systems are the numerical from 0 to 5 or from 0 to 10 and commonly are approved with 3 or 6, respectively. The letter system consists of E, S, B, A, I and is approved with A. The letter system is based on the numerical, meaning that the numerical system guides the letter one.

  6. Percentage - Wikipedia

    en.wikipedia.org/wiki/Percentage

    In mathematics, a percentage (from Latin per centum 'by a hundred') is a number or ratio expressed as a fraction of 100. It is often denoted using the percent sign (%), [ 1] although the abbreviations pct., pct, and sometimes pc are also used. [ 2] A percentage is a dimensionless number (pure number), primarily used for expressing proportions ...

  7. Standard deviation - Wikipedia

    en.wikipedia.org/wiki/Standard_deviation

    A little algebra shows that the distance between P and M (which is the same as the orthogonal distance between P and the line L) (¯) is equal to the standard deviation of the vector (x 1, x 2, x 3), multiplied by the square root of the number of dimensions of the vector (3 in this case).

  8. Academic grading in Canada - Wikipedia

    en.wikipedia.org/wiki/Academic_grading_in_Canada

    Level 1, well below government standards (D; 50–59 percent) The grading standards for A− letter grades changed in September 2010 to coincide with a new academic year. The new changes require a higher percentage grade by two or five points to obtain an A or A+ respectively.

  9. Majority - Wikipedia

    en.wikipedia.org/wiki/Majority

    Majority. A majority is more than half of a total. [ 1] It is a subset of a set consisting of more than half of the set's elements. For example, if a group consists of 31 individuals, a majority would be 16 or more individuals, while having 15 or fewer individuals would not constitute a majority. A majority is different from, but often confused ...