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  2. Population density - Wikipedia

    en.wikipedia.org/wiki/Population_density

    Population density is the number of people per unit of area, usually transcribed as "per square kilometer" or square mile, and which may include or exclude, for example, areas of water or glaciers. Commonly this is calculated for a county, city, country, another territory or the entire world . The world's population is around 8,000,000,000 [3 ...

  3. List of countries and dependencies by population density

    en.wikipedia.org/wiki/List_of_countries_and...

    This is a list of countries and dependencies ranked by population density, sorted by inhabitants per square kilometre or square mile. The list includes sovereign states and self-governing dependent territories based upon the ISO standard ISO 3166-1. The list also includes unrecognized but de facto independent countries.

  4. List of states and territories of the United States by ...

    en.wikipedia.org/wiki/List_of_states_and...

    New York is home to the most populous city in the country, and ranks 8th among the states in density. Despite a small population, Vermont has fairly average population density because of its small area. Idaho 's population has increased rapidly in recent decades, but its population density is lower than other states.

  5. Student's t-distribution - Wikipedia

    en.wikipedia.org/wiki/Student's_t-distribution

    In probability and statistics, Student's t distribution (or simply the t distribution) is a continuous probability distribution that generalizes the standard normal distribution. Like the latter, it is symmetric around zero and bell-shaped. However, has heavier tails and the amount of probability mass in the tails is controlled by the parameter ...

  6. Population dynamics - Wikipedia

    en.wikipedia.org/wiki/Population_dynamics

    Population dynamics has traditionally been the dominant branch of mathematical biology, which has a history of more than 220 years, [1] although over the last century the scope of mathematical biology has greatly expanded. [citation needed] The beginning of population dynamics is widely regarded as the work of Malthus, formulated as the ...

  7. Area and population of European countries - Wikipedia

    en.wikipedia.org/wiki/Area_and_population_of...

    Area is from official figures. [17] ^ Excludes the Faroe Islands and Greenland. Overall density is 2.5/km² when including those two. ^ Mainland France (122/km²) and Corsica (39/km²) comprise European France or Metropolitan France. Overall density is 107/km² when including Overseas departments (24/km²). [18] ^ Excluding Madeira (313/km²).

  8. Spatial analysis - Wikipedia

    en.wikipedia.org/wiki/Spatial_analysis

    A census choropleth map calculating population density using state boundaries will yield radically different results than a map that calculates density based on county boundaries. Furthermore, census district boundaries are also subject to change over time, [6] meaning the MAUP must be considered when comparing past data to current data.

  9. List of cities proper by population density - Wikipedia

    en.wikipedia.org/wiki/List_of_cities_proper_by...

    This is a list of cities worldwide by population density. The population, population density and land area for the cities listed are based on the entire city proper, the defined boundary or border of a city or the city limits of the city. The population density of the cities listed is based on the average number of people living per square ...