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2. List of unsolved problems in statistics - Wikipedia

   en.wikipedia.org/wiki/List_of_unsolved_problems...

   List of unsolved problems in statistics. There are many longstanding unsolved problems in mathematics for which a solution has still not yet been found. The notable unsolved problems in statistics are generally of a different flavor; according to John Tukey, [1] "difficulties in identifying problems have delayed statistics far more than ...

3. Statistics - Wikipedia

   en.wikipedia.org/wiki/Statistics

   Statistics (from German: Statistik, orig. "description of a state, a country" [1]) is the discipline that concerns the collection, organization, analysis, interpretation, and presentation of data. [2] In applying statistics to a scientific, industrial, or social problem, it is conventional to begin with a statistical population or a statistical ...

4. Lists of statistics topics - Wikipedia

   en.wikipedia.org/wiki/Lists_of_statistics_topics

   List of analyses of categorical data. List of fields of application of statistics. List of graphical methods. List of statistical software. Comparison of statistical packages. List of graphing software. Comparison of Gaussian process software. List of stochastic processes topics. List of matrices used in statistics.

5. Multiple comparisons problem - Wikipedia

   en.wikipedia.org/wiki/Multiple_comparisons_problem

   Multiple comparisons problem. An example of coincidence produced by data dredging (uncorrected multiple comparisons) showing a correlation between the number of letters in a spelling bee's winning word and the number of people in the United States killed by venomous spiders. Given a large enough pool of variables for the same time period, it is ...

6. Bias (statistics) - Wikipedia

   en.wikipedia.org/wiki/Bias_(statistics)

   Bias (statistics) Statistical bias, in the mathematical field of statistics, is a systematic tendency in which the methods used to gather data and generate statistics present an inaccurate, skewed or biased depiction of reality. Statistical bias exists in numerous stages of the data collection and analysis process, including: the source of the ...

7. Statistical hypothesis test - Wikipedia

   en.wikipedia.org/wiki/Statistical_hypothesis_test

   A statistical hypothesis test is a method of statistical inference used to decide whether the data sufficiently supports a particular hypothesis. A statistical hypothesis test typically involves a calculation of a test statistic. Then a decision is made, either by comparing the test statistic to a critical value or equivalently by evaluating a ...

8. Missing data - Wikipedia

   en.wikipedia.org/wiki/Missing_data

   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 ...

9. Student's t-distribution - Wikipedia

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

   The Student's t distribution plays a role in a number of widely used statistical analyses, including Student's t test for assessing the statistical significance of the difference between two sample means, the construction of confidence intervals for the difference between two population means, and in linear regression analysis. The Student's. t.