The question is really why should medical students, physicians, nurses, and cliniciats staay statistics? our focus is on biostatistics and the students we want to introduce it to. One good reason to study statistics is to gain knowledge from data and use it appropriately. Another is to make sure that we are not to be fooled by the lies, distortions, and misuses in the media and even some medical journals. The medical journals now commonly require good statistical methods as part of research paper, and the sophistication of the methods used is greater.