15th February 2024

Researchers are assessing the efficacy of a new painkiller when compared to paracetamol.

Researchers are assessing the efficacy of a new painkiller when compared to paracetamol. A group of patients were given paracetamol, while another was given the new painkiller. Patients were asked to rate their pain on a scale of 1-6 after 1-month of the study. 

Which statistical test is most appropriate to identify a significant difference between the two groups?