2021-05-05

About

This lecture is based on the Minitab Blog series.

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Why We Need Hypothesis Tests?

A hypothesis test evaluates two mutually exclusive statements about a population to determine which statement is best supported by the sample data.

  • What does statistical significance mean?
  • What is a p-value?
  • How to interpret confidence intervals?
  • How to tests hypotheses?

Population vs Sample

How well a sample statistic estimates an underlying population parameter?