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  2. Effect size - Wikipedia

    en.wikipedia.org/wiki/Effect_size

    In statistics, an effect size is a value measuring the strength of the relationship between two variables in a population, or a sample-based estimate of that quantity. It can refer to the value of a statistic calculated from a sample of data, the value of one parameter for a hypothetical population, or to the equation that operationalizes how statistics or parameters lead to the effect size ...

  3. Human population projections - Wikipedia

    en.wikipedia.org/wiki/Human_population_projections

    The UN Population Division has calculated the future population of the world's countries, based on current demographic trends. The UN's 2024 report projects world population to be 8.1 billion in 2024, about 9.6 billion in 2050, and about 10.2 billion in 2100. The following table shows the largest 15 countries by population as of 2024, 2050 and ...

  4. Inflation - Wikipedia

    en.wikipedia.org/wiki/Inflation

    The adoption of fiat currency by many countries, from the 18th century onwards, made much larger variations in the supply of money possible. [27] Rapid increases in the money supply have taken place a number of times in countries experiencing political crises, producing hyperinflations – episodes of extreme inflation rates much higher than ...

  5. Gross domestic product - Wikipedia

    en.wikipedia.org/wiki/Gross_Domestic_Product

    If GDP is calculated this way it is sometimes called gross domestic income (GDI), or GDP (I). GDI should provide the same amount as the expenditure method described later. By definition, GDI is equal to GDP. In practice, however, measurement errors will make the two figures slightly off when reported by national statistical agencies.

  6. Fahrenheit - Wikipedia

    en.wikipedia.org/wiki/Fahrenheit

    Historically, on the Fahrenheit scale the freezing point of water was 32 °F, and the boiling point was 212 °F (at standard atmospheric pressure).This put the boiling and freezing points of water 180 degrees apart. [8]

  7. Water - Wikipedia

    en.wikipedia.org/wiki/Water

    Water is an inorganic compound with the chemical formula H 2 O.It is a transparent, tasteless, odorless, [c] and nearly colorless chemical substance.It is the main constituent of Earth's hydrosphere and the fluids of all known living organisms (in which it acts as a solvent [20]).

  8. KFC - Wikipedia

    en.wikipedia.org/wiki/KFC

    KFC Corporation, [4] doing business as KFC (also commonly referred to by its historical name Kentucky Fried Chicken), is an American fast food restaurant chain that specializes in fried chicken.

  9. Smartphone - Wikipedia

    en.wikipedia.org/wiki/Smartphone

    Huawei, LG and Lenovo were at about 5% each, significantly better than 2012 figures, while others had about 40%, the same as the previous years figure. Only Apple lost market share, although their shipment volume still increased by 12.9%; the rest had significant increases in shipment volumes of 36 to 92%.