15th February 2024

Researchers are assessing the efficacy of a new cholesterol-lowering medication.

Researchers are assessing the efficacy of a new cholesterol-lowering medication. The study was conducted with a group of patients being given the new medication for 3 months, and their cholesterol levels were measured before and after the medication was administered. 

Which of the following statistical tests is most appropriate to establish a significant difference in cholesterol levels?