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Define descriptive statistics.
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Asked 7/16/2010 1:30:20 AM
Updated 3/30/2014 12:02:30 PM
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User: Define descriptive statistics.

Weegy: Statistics is a mathematical science pertaining to the collection, analysis, interpretation or explanation, and presentation of data.[1] Statisticians improve the quality of data with the design of experiments and survey sampling. [ Statistics also provides tools for prediction and forecasting using data and statistical models. Statistics is applicable to a wide variety of academic disciplines, including natural and social sciences, government, and business. Statistical methods can be used to summarize or describe a collection of data; this is called descriptive statistics. This is useful in research, when communicating the results of experiments. In addition, patterns in the data may be modeled in a way that accounts for randomness and uncertainty in the observations, and are then used to draw inferences about the process or population being studied; this is called inferential statistics. Inference is a vital element of scientific advance, since it provides a prediction (based in data) for where a theory logically leads. To further prove the guiding theory, these predictions are tested as well, as part of the scientific method. If the inference holds true, then the descriptive statistics of the new data increase the soundness of that hypothesis. Descriptive statistics and inferential statistics (a.k.a., predictive statistics) together comprise applied statistics.[2] There is also a discipline called mathematical statistics, which is concerned with the theoretical basis of the subject. The word statistics can either be singular or plural.[3] In its singular form, statistics refers to the mathematical science discussed in this article. In its plural form, statistics is the plural of the word statistic, which refers to a quantity (such as a mean) calculated from a set of data. If you are satisfied with my answer, please click 'Good' on the ratings. ]
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Asked 7/16/2010 1:30:20 AM
Updated 3/30/2014 12:02:30 PM
1 Answer/Comment
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Descriptive statistics is the discipline of quantitatively describing the main features of a collection of information, or the quantitative description itself.

Added 3/30/2014 12:02:30 PM
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Raw data (also known as primary data) is a term for data collected from a source.

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Define population.
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A population is a summation of all the organisms of the same group or species, which live in a particular geographical area, and have the capability of interbreeding.

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