# Package org.apache.commons.math.stat.inference

Classes providing hypothesis testing and confidence interval construction.

See: Description

Interface Summary
Interface | Description
--- | ---
ChiSquareTest | An interface for Chi-Square tests.
OneWayAnova | An interface for one-way ANOVA (analysis of variance).
TTest | An interface for Student's t-tests.
UnknownDistributionChiSquareTest | An interface for Chi-Square tests for unknown distributions.

Class Summary
Class | Description
--- | ---
ChiSquareTestImpl | Implements Chi-Square test statistics defined in the `UnknownDistributionChiSquareTest` interface.
OneWayAnovaImpl | Implements one-way ANOVA statistics defined in the `OneWayAnovaImpl` interface.
OneWayAnovaImpl.AnovaStats | Convenience class to pass dfbg,dfwg,F values around within AnovaImpl.
TestUtils | A collection of static methods to create inference test instances or to perform inference tests.
TTestImpl | Implements t-test statistics defined in the `TTest` interface.

## Package org.apache.commons.math.stat.inference Description

Classes providing hypothesis testing and confidence interval construction.