For now, we should appreciate that statistical inference uses data address important questions. Is a new drug effective in treating heart sense? Do cell phones cause brain cancer? Please note that I’m not aiming that statistics can answer these kinds of questions unequivocally; steads. Inference tells us what is likely, and what is unlikely. Researchers cannot prove that a new ‘drug is effective in treating heart disease, even then they have data from a carefully controlled clinical trial.