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Understanding-Statistical-Tests.md
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In statistics, there are two main types of tests: parametric tests and non-parametric tests.
### Parametric Tests
1. **T-Test: Used to compare means between two groups. It assumes that the data follows a normal distribution and the variances are equal.
1. **T-Test**:Used to compare means between two groups. It assumes that the data follows a normal distribution and the variances are equal.
Analysis of Variance (ANOVA): Used to compare means between three or more groups. It also assumes normality and equal variances.
Regression Analysis: Examines the relationship between a dependent variable and one or more independent variables. It estimates the impact of independent variables on the dependent variable.
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