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  2. Percentage - Wikipedia

    en.wikipedia.org/wiki/Percentage

    A pie chart showing the percentage by web browser visiting Wikimedia sites (April 2009 to 2012) 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]

  3. 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 or 3 σ, 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 ...

  4. Grade (slope) - Wikipedia

    en.wikipedia.org/wiki/Grade_(slope)

    1.51% (1 in 66) – (1 foot (0.3 m) per 1 chain (20 m)) New South Wales Government Railways, Australia, part of Main South line. 1.25% (1 in 80) – Wellington Bank, Somerset , UK 1.25% (1 in 80) – Rudgwick , UK ( West Sussex ) platform before regrading – too steep if a train is not provided with continuous brakes .

  5. List of sovereign states by tax revenue to GDP ratio - Wikipedia

    en.wikipedia.org/wiki/List_of_sovereign_states...

    The tax percentage for each country listed in the source has been added to the chart. According to World Bank , "GDP at purchaser's prices is the sum of gross value added by all resident producers in the economy plus any product taxes and minus any subsidies not included in the value of the products.

  6. List of countries by GDP (nominal) - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by_GDP...

    Gross domestic product (GDP) is the market value of all final goods and services from a nation in a given year. [2] Countries are sorted by nominal GDP estimates from financial and statistical institutions, which are calculated at market or government official exchange rates.

  7. Scientific consensus on climate change - Wikipedia

    en.wikipedia.org/wiki/Scientific_consensus_on...

    There was more disagreement on the strength of future warming: i.e. around 30% believed that there was a less than 50% chance that the warming would reach or exceed 2 °C (3.6 °F) over the next 100 years, while a larger fraction (almost 40%) thought such temperatures were at least 75% likely. [46] [21]

  8. List of countries by government debt - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by...

    [3] [1]: 79–82 In the list below, government debt is measured for the general government sector because the level of government responsible for programs (for example, health care) differs across countries, and the general government comprises central, state, provincial, regional, and local governments, and social security funds.

  9. Conviction rate - Wikipedia

    en.wikipedia.org/wiki/Conviction_rate

    This is much lower than one might infer from the 3.6% acquittal rate because 1/3rd of the cases are withdrawn (either directly or indirectly via a "Crown Stay") before they reach a verdict. According to Canadian trial lawyer Kim Schofield, the effective conviction rate falls from 62% to approximately 50% if one excludes guilty pleas and deals. [2]