While testing a hypolidemic drug, serum lipid levels were tested both before and after its use. Which test is best suited for the stastical analysis of the result-

Social & Preventive Medicine

While testing a hypolidemic drug, serum lipid levels were tested both before and after its use. Which test is best suited for the stastical analysis of the result-

A study is to be conducted with regards to the fat content…

'There has been a gradual increase in number of non-communicable disease cases…

All of the following are done to remove Confounding except