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  2. Marginal distribution - Wikipedia

    en.wikipedia.org/wiki/Marginal_distribution

    This means that the calculation for one variable is dependent on another variable. [2] The conditional distribution of a variable given another variable is the joint distribution of both variables divided by the marginal distribution of the other variable. [3] That is,

  3. Relative change - Wikipedia

    en.wikipedia.org/wiki/Relative_change

    A percentage change is a way to express a change in a variable. It represents the relative change between the old value and the new one. [6]For example, if a house is worth $100,000 today and the year after its value goes up to $110,000, the percentage change of its value can be expressed as = = %.

  4. Division (mathematics) - Wikipedia

    en.wikipedia.org/wiki/Division_(mathematics)

    In these enlarged number systems, division is the inverse operation to multiplication, that is a = c / b means a × b = c, as long as b is not zero. If b = 0, then this is a division by zero, which is not defined. [a] [4]: 246 In the 21-apples example, everyone would receive 5 apple and a quarter of an apple, thus avoiding any leftover.

  5. Division by two - Wikipedia

    en.wikipedia.org/wiki/Division_by_two

    Many programming languages provide functions that can be used to divide a floating point number by a power of two. For example, the Java programming language provides the method java.lang.Math.scalb for scaling by a power of two, [7] and the C programming language provides the function ldexp for the same purpose. [8]

  6. Average fixed cost - Wikipedia

    en.wikipedia.org/wiki/Average_fixed_cost

    When the quantity of the output varies from 5 shirts to 10 shirts, fixed cost would be 30 dollars. [1] In this case, the average fixed cost of producing 5 shirts would be 30 dollars divided by 5 shirts, which is 6 dollars. In other words, when 5 shirts are produced, 30 dollars of fixed cost would spread and result in 6 dollars per shirt.

  7. Division algorithm - Wikipedia

    en.wikipedia.org/wiki/Division_algorithm

    Long division is the standard algorithm used for pen-and-paper division of multi-digit numbers expressed in decimal notation. It shifts gradually from the left to the right end of the dividend, subtracting the largest possible multiple of the divisor (at the digit level) at each stage; the multiples then become the digits of the quotient, and the final difference is then the remainder.

  8. Ratio distribution - Wikipedia

    en.wikipedia.org/wiki/Ratio_distribution

    An example is the Cauchy distribution (also called the normal ratio distribution), which comes about as the ratio of two normally distributed variables with zero mean. Two other distributions often used in test-statistics are also ratio distributions: the t-distribution arises from a Gaussian random variable divided by an independent chi ...

  9. Level of measurement - Wikipedia

    en.wikipedia.org/wiki/Level_of_measurement

    However, ratios of differences can be expressed; for example, one difference can be twice another; for example, the ten-degree difference between 15 °C and 25 °C is twice the five-degree difference between 17 °C and 22 °C. Interval type variables are sometimes also called "scaled variables", but the formal mathematical term is an affine ...