Question

Provide an example of a paired sample t-test in pharmaceutical research.

Answer 1

Paired t test is used when we need to check the difference between sample values before and after applying any treatment

Example : Say, you are drug manufacturer and you want to just if the drug can be used to reduce particular level of acid in a persons body.

So, you take 20 samples from population and check their acidity level and noted them

and then asked them to take the drug you manufactured for 3 months

After 3 months you check the samples of same 20 people for the acidity level and check if there is a significant reduction in acidity level because of your drug

Paired because for each sample we take a pair of information ( before, after )