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  2. Sample size determination - Wikipedia

    en.wikipedia.org/wiki/Sample_size_determination

    The table shown on the right can be used in a two-sample t-test to estimate the sample sizes of an experimental group and a control group that are of equal size, that is, the total number of individuals in the trial is twice that of the number given, and the desired significance level is 0.05. [4]

  3. Occupational Employment and Wage Statistics - Wikipedia

    en.wikipedia.org/wiki/Occupational_Employment...

    The Occupational Employment and Wage Statistics) (OEWS) survey is a semi-annual survey of approximately 200,000 non-farm business establishments conducted by the Bureau of Labor Statistics (BLS), headquartered in Washington, DC with six regional offices and one office in each state. Until the spring of 2021 it was officially called the ...

  4. Economic data - Wikipedia

    en.wikipedia.org/wiki/Economic_data

    Economic data are data describing an actual economy, past or present.These are typically found in time-series form, that is, covering more than one time period (say the monthly unemployment rate for the last five years) or in cross-sectional data in one time period (say for consumption and income levels for sample households).

  5. Family Resources Survey - Wikipedia

    en.wikipedia.org/wiki/Family_Resources_Survey

    After Northern Ireland was included in the sample, and also a 100% boost was introduced for Scotland, the sample size rose to 29,000 households in 2002 across the UK. In the most recent survey, the sample size was over 25,000 households (over 42,000 adults). [ 1 ]

  6. List of statistical software - Wikipedia

    en.wikipedia.org/wiki/List_of_statistical_software

    nQuery Sample Size Software – Sample Size and Power Analysis Software [7] O-Matrix – programming language; OriginPro – statistics and graphing, programming access to NAG library; PASS Sample Size Software (PASS) – power and sample size software from NCSS

  7. List of countries by sector composition of the labor force

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

    Industry [%] [3] Services [%] [4] Date of information Afghanistan * 46 18 36 2020 Albania * 35 22 44 2021 Algeria * 10 31 59 2021 American Samoa * 34 33 33 1990 Andorra * 0.4 4.7 94.9 2010 Angola * 59 8 34 2021 Anguilla * 4 3 92 2000 est. Antigua and Barbuda * 7 11 82 1983 Argentina * 8 20 72 2021 Armenia * 30 18 52 2021

  8. Oversampling and undersampling in data analysis - Wikipedia

    en.wikipedia.org/wiki/Oversampling_and_under...

    Specifically, while one needs a suitably large sample size to draw valid statistical conclusions, the data must be cleaned before it can be used. Cleansing typically involves a significant human component, and is typically specific to the dataset and the analytical problem, and therefore takes time and money. For example:

  9. Bureau of Labor Statistics - Wikipedia

    en.wikipedia.org/wiki/Bureau_of_Labor_Statistics

    The Bureau of Labor was established within the Department of the Interior on June 27, 1884, to collect information about employment and labor. Its creation under the Bureau of Labor Act (23 Stat. 60) stemmed from the findings of U.S. Senator Henry W. Blair's "Labor and Capital Hearings", which examined labor issues and working conditions in the U.S. [6] Statistician Carroll D. Wright became ...