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

Social & Preventive Medicine

While testing a hypolipidemic drug, serum lipid levels were tested both before and after its use. Which test is best suited for the statistical 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