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  2. Benford's law - Wikipedia

    en.wikipedia.org/wiki/Benford's_law

    This is an accepted version of this page This is the latest accepted revision, reviewed on 5 September 2024. Observation that in many real-life datasets, the leading digit is likely to be small Not to be confused with the unrelated adage Benford's law of controversy. The distribution of first digits, according to Benford's law. Each bar represents a digit, and the height of the bar is the ...

  3. Phosphoric acid - Wikipedia

    en.wikipedia.org/wiki/Phosphoric_acid

    Phosphoric acid (orthophosphoric acid, monophosphoric acid or phosphoric(V) acid) is a colorless, odorless phosphorus-containing solid, and inorganic compound with the chemical formula H 3 P O 4. It is commonly encountered as an 85% aqueous solution, which is a colourless, odourless, and non-volatile syrupy liquid. It is a major industrial ...

  4. Confidence interval - Wikipedia

    en.wikipedia.org/wiki/Confidence_interval

    A confidence interval for the parameter , with confidence level or coefficient , is an interval determined by random variables and with the property: The number , whose typical value is close to but not greater than 1, is sometimes given in the form (or as a percentage ), where is a small positive number, often 0.05.

  5. Blood type distribution by country - Wikipedia

    en.wikipedia.org/wiki/Blood_type_distribution_by...

    Blood Type A: Central and Eastern Europe. Type A is common in Central and Eastern Europe. In countries such as Austria, Denmark, Norway, and Switzerland, about 45–50% of the population have this blood type, whereas about 40% of Poles and Ukrainians do so. The highest frequencies are found in small, unrelated populations.

  6. List of sovereign states by tax revenue to GDP ratio

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

    t. e. This article lists countries alphabetically, with total tax revenue as a percentage of gross domestic product (GDP) for the listed countries. 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 ...

  7. Belgium - Wikipedia

    en.wikipedia.org/wiki/Belgium

    The Belgian driver, Jacky Ickx, won eight Grands Prix and six 24 Hours of Le Mans and finished twice as runner-up in the Formula One World Championship. Belgium also has a strong reputation in, motocross with the riders Joël Robert , Roger De Coster , Georges Jobé , Eric Geboers and Stefan Everts , among others.

  8. Demographics of São Tomé and Príncipe - Wikipedia

    en.wikipedia.org/wiki/Demographics_of_São_Tomé...

    Population. São Tomé and Príncipe's population between 1960 and 2017. According to the 2022 revision of the world factbook the total population was 217,164 in 2022, compared to only 60,000 in 1950. [3] The proportion of children below the age of 15 in 2020 was 39.8%, 57.4% was between 15 and 65 years of age, while 2.9% was 65 years or older. [3]

  9. Michigan - Wikipedia

    en.wikipedia.org/wiki/Michigan

    Michigan (/ ˈ m ɪ ʃ ɪ ɡ ən / ⓘ MISH-ig-ən) is a state in the Great Lakes region of the Upper Midwest region of the United States.It borders Wisconsin to the northwest in the Upper Peninsula, and Indiana and Ohio to the south in the Lower Peninsula; it is also connected by Lakes Superior, Michigan, Huron, and Erie to Minnesota and Illinois, and the Canadian province of Ontario.