Over ANOVA
6 min readDec 9, 2020
An example research question with statistical tests.
A researcher decides to study how a new drug (drug A) affects blood pressure in patients. They choose a control group size of 200 and a test group size of 300. In this situation, would it be best to recommend a z-test, a t-test, or an ANOVA?
For this, we need to define the null and alternative hypotheses.
