👨🎓 Welchs t-test
= adaptation of the 👩🎓 Students t-test used to test the H0 that two populations have an equal mean
Assumptions
- 🔔 Normality
- Independence
How?
- Calculate t-value for welchs t-test
- Compare to critical value
📖 Example distributions to test:
/RES/welch_test_distributions.png)