A Closer Look at the Performance of the T-test

A simulation study investigating type I error and power of the t-test under different scenarios. How sample sizes and variances affect the two-sample t-test’s performance.

Andrea Gustafsen
Towards Data Science
10 min readJan 11, 2022

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Photo by gerald on Pixabay

How can we assess how well a statistical test performs? The answer is Monte Carlo simulation. A…

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Data Scientist | Statistician | I love books, trail running, gaming, and horror movies