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2. Descriptive statistics - Wikipedia

   en.wikipedia.org/wiki/Descriptive_statistics

   v. t. e. A descriptive statistic (in the count noun sense) is a summary statistic that quantitatively describes or summarizes features from a collection of information, [ 1] while descriptive statistics (in the mass noun sense) is the process of using and analysing those statistics. Descriptive statistics is distinguished from inferential ...

3. SPSS - Wikipedia

   en.wikipedia.org/wiki/SPSS

   SPSS Statistics is a statistical software suite developed by IBM for data management, advanced analytics, multivariate analysis, business intelligence, and criminal investigation. Long produced by SPSS Inc., it was acquired by IBM in 2009. Versions of the software released since 2015 have the brand name IBM SPSS Statistics .

4. Exploratory data analysis - Wikipedia

   en.wikipedia.org/wiki/Exploratory_data_analysis

   e. In statistics, exploratory data analysis (EDA) is an approach of analyzing data sets to summarize their main characteristics, often using statistical graphics and other data visualization methods. A statistical model can be used or not, but primarily EDA is for seeing what the data can tell us beyond the formal modeling and thereby contrasts ...

5. Five-number summary - Wikipedia

   en.wikipedia.org/wiki/Five-number_summary

   The five-number summary is a set of descriptive statistics that provides information about a dataset. It consists of the five most important sample percentiles : the sample minimum (smallest observation) the lower quartile or first quartile. the median (the middle value) the upper quartile or third quartile.

6. Anscombe's quartet - Wikipedia

   en.wikipedia.org/wiki/Anscombe's_quartet

   All four sets have identical statistical parameters, but the graphs show them to be considerably different. Anscombe's quartet comprises four datasets that have nearly identical simple descriptive statistics, yet have very different distributions and appear very different when graphed. Each dataset consists of eleven ( x , y) points.

7. APA style - Wikipedia

   en.wikipedia.org/wiki/APA_style

   v. t. e. APA style (also known as APA format) is a writing style and format for academic documents such as scholarly journal articles and books. It is commonly used for citing sources within the field of behavioral and social sciences, including sociology, education, nursing, criminal justice, anthropology, and psychology.

8. Summary statistics - Wikipedia

   en.wikipedia.org/wiki/Summary_statistics

   In descriptive statistics, summary statistics are used to summarize a set of observations, in order to communicate the largest amount of information as simply as possible. Statisticians commonly try to describe the observations in. a measure of location, or central tendency, such as the arithmetic mean. a measure of statistical dispersion like ...

9. Missing data - Wikipedia

   en.wikipedia.org/wiki/Missing_data

   In statistics, missing data, or missing values, occur when no data value is stored for the variable in an observation. Missing data are a common occurrence and can have a significant effect on the conclusions that can be drawn from the data. Missing data can occur because of nonresponse: no information is provided for one or more items or for a ...