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  2. Cohen's h - Wikipedia

    en.wikipedia.org/wiki/Cohen's_h

    Researchers have used Cohen's h as follows.. Describe the differences in proportions using the rule of thumb criteria set out by Cohen. [1] Namely, h = 0.2 is a "small" difference, h = 0.5 is a "medium" difference, and h = 0.8 is a "large" difference.

  3. Rule of thumb - Wikipedia

    en.wikipedia.org/wiki/Rule_of_thumb

    Cartoon by James Gillray satirizing Sir Francis Buller, 1782: "Judge Thumb; or, Patent Sticks for Family Correction: Warranted Lawful!". A modern folk etymology [14] relates the phrase to domestic violence via an alleged rule under English common law which permitted wife-beating provided that the implement used was a rod or stick no thicker than a man's thumb. [6]

  4. Queuing Rule of Thumb - Wikipedia

    en.wikipedia.org/wiki/Queuing_Rule_of_Thumb

    The Queuing Rule of Thumb (QROT) is a mathematical formula known as the queuing constraint equation when it is used to find an approximation of servers required to service a queue. The formula is written as an inequality relating the number of servers ( s ), total number of service requestors ( N ), service time ( r ), and the maximum time to ...

  5. Chopsticks (hand game) - Wikipedia

    en.wikipedia.org/wiki/Chopsticks_(hand_game)

    The game's scores are tracked on the fingers of both hands. Chopsticks (sometimes called Calculator, or just Sticks) [citation needed] is a hand game for two or more players, in which players extend a number of fingers from each hand and transfer those scores by taking turns tapping one hand against another.

  6. Activity relationship chart - Wikipedia

    en.wikipedia.org/wiki/Activity_relationship_chart

    A rule of thumb is used to restrict the choice of rating letters: Very few A and X relationships (no more than five percent) should be assigned; No more than 10 percent should be E; No more than 15 percent should be I; No more than 20 percent should be O; About 50 percent of the relationships should be U

  7. 68–95–99.7 rule - Wikipedia

    en.wikipedia.org/wiki/68–95–99.7_rule

    In statistics, the 68–95–99.7 rule, also known as the empirical rule, and sometimes abbreviated 3sr, is a shorthand used to remember the percentage of values that lie within an interval estimate in a normal distribution: approximately 68%, 95%, and 99.7% of the values lie within one, two, and three standard deviations of the mean, respectively.

  8. 1:5:200 - Wikipedia

    en.wikipedia.org/wiki/1:5:200

    In the construction industry, the 1:5:200 rule (or 1:5:200 ratio) is a rule of thumb that states that: . If the initial construction costs of a building is 1, then its maintenance and operating costs over the years is 5, and the business operating costs (salary of people working in that building) is 200.

  9. Order of operations - Wikipedia

    en.wikipedia.org/wiki/Order_of_operations

    Calculators generally perform operations with the same precedence from left to right, [1] but some programming languages and calculators adopt different conventions. For example, multiplication is granted a higher precedence than addition, and it has been this way since the introduction of modern algebraic notation .