What is the difference between parametric and non-parametric statistical tests in data analysis?

Data Science with Python Hard

Data Science with Python — Hard

What is the difference between parametric and non-parametric statistical tests in data analysis?

Key points

  • Parametric tests rely on distribution assumptions
  • Non-parametric tests do not assume a specific distribution
  • Parametric tests infer population parameters
  • Non-parametric tests work with ranks or categories

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