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  2. Logarithmic scale - Wikipedia

    en.wikipedia.org/wiki/Logarithmic_scale

    Equally spaced values on a logarithmic scale have exponents that increment uniformly. Examples of equally spaced values are 10, 100, 1000, 10000, and 100000 (i.e., 10 1, 10 2, 10 3, 10 4, 10 5) and 2, 4, 8, 16, and 32 (i.e., 2 1, 2 2, 2 3, 2 4, 2 5). Exponential growth curves are often depicted on a logarithmic scale graph.

  3. Rating scale - Wikipedia

    en.wikipedia.org/wiki/Rating_scale

    A rating scale is a set of categories designed to obtain information about a quantitative or a qualitative attribute. In the social sciences, particularly psychology, common examples are the Likert response scale and 0-10 rating scales, where a person selects the number that reflecting the perceived quality of a product.

  4. Order of magnitude - Wikipedia

    en.wikipedia.org/wiki/Order_of_magnitude

    Order of magnitude is a concept used to discuss the scale of numbers in relation to one another. Two numbers are "within an order of magnitude" of each other if their ratio is between 1/10 and 10. In other words, the two numbers are within about a factor of 10 of each other. [1] For example, 1 and 1.02 are within an order of magnitude.

  5. Mohs scale - Wikipedia

    en.wikipedia.org/wiki/Mohs_scale

    Diamond (Mohs 10) is 1500 (off scale). Diamond was the hardest known naturally occurring mineral when the scale was designed, and defines the top of the scale, arbitrarily set at 10. The hardness of a material is measured against the scale by finding the hardest material that the given material can scratch, or the softest material that can ...

  6. Orders of magnitude (length) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude_(length)

    1 (10 0) 1 meter 1 m (exactly) Since 2019, defined as the length of the path travelled by light in a vacuum during a time interval of 1/299,792,458 of a second, where the second is defined by a hyperfine transition frequency of caesium. 2.72 m Height of Robert Wadlow, tallest-known human. [31] 8.38 m Length of a London bus (AEC Routemaster) 10 1

  7. Grading systems by country - Wikipedia

    en.wikipedia.org/wiki/Grading_systems_by_country

    This stems from the practice that exams were traditionally given by 3 examiners. Each had to rate the student's examination performance on a 110 scale, and the final grade was the sum of the three ratings. On a 110 scale, passing is 6, so on a 1–30 scale the minimum passing grade is 3*6 = 18.

  8. Insurance company ratings explained - AOL

    www.aol.com/finance/insurance-company-ratings...

    Its rating scale is a little different, in that the highest score offered is A” and the lowest an L, with A’, A, S, M in the middle. Why are insurance company ratings important?

  9. Decile - Wikipedia

    en.wikipedia.org/wiki/Decile

    In descriptive statistics, a decile is any of the nine values that divide the sorted data into ten equal parts, so that each part represents 1/10 of the sample or population. [1] A decile is one possible form of a quantile; others include the quartile and percentile. [2]