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  2. List of United States congressional districts - Wikipedia

    en.wikipedia.org/wiki/List_of_United_States...

    Average population: 761,169 people based on 2020 U.S. census. [1] It was 708,377 in 2010. ... The oldest district in the country, it has never changed its shape or size.

  3. United States congressional apportionment - Wikipedia

    en.wikipedia.org/wiki/United_States...

    For example, such a rule would call for 692 members of the House based on the 2020 United States census. An additional House member would be added each time the national population exceeds the next cube; in this case, the next House member would be added when the census population reached 331,373,889, and the one after that at 332,812,558. A ...

  4. Sample size determination - Wikipedia

    en.wikipedia.org/wiki/Sample_size_determination

    The sample size is an important feature of any empirical study in which the goal is to make inferences about a population from a sample. In practice, the sample size used in a study is usually determined based on the cost, time, or convenience of collecting the data, and the need for it to offer sufficient statistical power. In complex studies ...

  5. Congressional Apportionment Amendment - Wikipedia

    en.wikipedia.org/wiki/Congressional...

    Congress regularly increased the size of the House to account for population growth throughout the 19th century until it fixed the number of voting House members at 435 in 1911, where aside from a temporary increase to 437 members from 1959 through 1962 after Alaska and Hawaii were admitted to the Union, it has remained.

  6. List of U.S. states and territories by population - Wikipedia

    en.wikipedia.org/wiki/List_of_U.S._states_and...

    Based on this decennial census, each state is allocated a portion of the 435 fixed seats in the United States House of Representatives (until the early 20th century, the apportionment process generally increased the size of the House based on the results of the census until the size of the House was capped by the Reapportionment Act of 1929 ...

  7. Proportional representation - Wikipedia

    en.wikipedia.org/wiki/Proportional_representation

    Conversely, the representation achieved under PR electoral systems is typically proportional to a district's population size (seats per set amount of population), votes cast (votes per winner), and party vote share (in party-based systems such as party-list PR). (Party-proportionality is also evident in many PR systems where party labels are used.)

  8. Design effect - Wikipedia

    en.wikipedia.org/wiki/Design_effect

    Weights represent how many items each element "represents" in the target population; sum of weights equals the size of the target population There are many types (and subtypes) of weights, with different ways to use and interpret them.

  9. Proportional symbol map - Wikipedia

    en.wikipedia.org/wiki/Proportional_symbol_map

    Based on these principles, only ratio variables (per Stevens' levels of measurement) are appropriate to represent with size, specifically those in which negative values are not possible. [ 1 ] : 132 Within this set, the most intuitive are those that measure the total amount/count/volume of something, such as total population, volume or weight ...