Chi-squared
Encyclopedia
In statistics
, the term chi-squared has different uses:
Statistics
Statistics is the study of the collection, organization, analysis, and interpretation of data. It deals with all aspects of this, including the planning of data collection in terms of the design of surveys and experiments....
, the term chi-squared has different uses:
- chi-squared distribution, a continuous probability distribution;
- chi-squared statistic, a statisticStatisticA statistic is a single measure of some attribute of a sample . It is calculated by applying a function to the values of the items comprising the sample which are known together as a set of data.More formally, statistical theory defines a statistic as a function of a sample where the function...
used in some statistical tests; - chi-squared test, name given to some tests using chi-squared distribution;
- chi-squared target models, a mathematical model used in radar cross-section.