Graphpad T Test !!exclusive!!

This range tells you the likely magnitude of the difference between the means. If the 95% CI includes zero, the result is generally not significant.

💡 Always check the "Normality Tests" box in the analysis options. If your data fails a normality test (like Shapiro-Wilk), your t-test results might be misleading, and you should consider a nonparametric alternative. If you'd like to dive deeper, I can help you: Decide which normality test to use. Interpret a specific p-value you've already calculated. Explain the difference between Type I and Type II errors . graphpad t test

Easily switch to Mann–Whitney or Wilcoxon signed‑rank tests with one click. This range tells you the likely magnitude of

A biomedical researcher comparing blood glucose between treatment and placebo groups (n=8 each). your t-test results might be misleading