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  2. Single-loss expectancy - Wikipedia

    en.wikipedia.org/wiki/Single-loss_expectancy

    The result is a monetary value in the same unit as the single-loss expectancy is expressed (euros, dollars, yens, etc.): exposure factor is the subjective, potential percentage of loss to a specific asset if a specific threat is realized. The exposure factor is a subjective value that the person assessing risk must define.

  3. Mean absolute percentage error - Wikipedia

    en.wikipedia.org/wiki/Mean_absolute_percentage_error

    It is a variant of MAPE in which the mean absolute percent errors is treated as a weighted arithmetic mean. Most commonly the absolute percent errors are weighted by the actuals (e.g. in case of sales forecasting, errors are weighted by sales volume). [ 3 ]

  4. Odds ratio - Wikipedia

    en.wikipedia.org/wiki/Odds_ratio

    An odds ratio (OR) is a statistic that quantifies the strength of the association between two events, A and B. The odds ratio is defined as the ratio of the odds of event A taking place in the presence of B, and the odds of A in the absence of B. Due to symmetry, odds ratio reciprocally calculates the ratio of the odds of B occurring in the presence of A, and the odds of B in the absence of A.

  5. Respiratory quotient - Wikipedia

    en.wikipedia.org/wiki/Respiratory_quotient

    The respiratory quotient (RQ) is the ratio: RQ = CO 2 eliminated / O 2 consumed. where the term "eliminated" refers to carbon dioxide (CO 2) removed from the body in a steady state.

  6. List of countries by trade-to-GDP ratio - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by_trade...

    This is a list of countries by trade-to-GDP ratio, i.e. the sum of exports and imports of goods and services, divided by gross domestic product, expressed as a percentage, based on the data published by World Bank. The list includes sovereign states and self-governing dependent territories based upon the ISO standard ISO 3166-1.

  7. Efficiency ratio - Wikipedia

    en.wikipedia.org/wiki/Efficiency_ratio

    The efficiency ratio indicates the expenses as a percentage of revenue (expenses / revenue), with a few variations – it is essentially how much a corporation or individual spends to make a dollar; entities are supposed to attempt minimizing efficiency ratios (reducing expenses and increasing earnings). The concept typically applies to banks.

  8. List of largest daily changes in the S&P 500 Index - Wikipedia

    en.wikipedia.org/wiki/List_of_largest_daily...

    Largest daily percentage gains each year. Year Date Close % Change Weekday 2025* 2025-01-15 5,949.91 +1.83 Wednesday 2024 2024-11-06: 5,929.04 +2.53 Wednesday 2023

  9. Grading systems by country - Wikipedia

    en.wikipedia.org/wiki/Grading_systems_by_country

    A percentage over 80 is considered excellent; between 60 and 80 is considered to be 'first division'; between 40 and 60 is considered to be 'second division'. The Percentage System works as follows: the maximum number of marks possible is 100, the minimum is 0, and the minimum number of marks required to pass is 35.