Abstract
In this article, items concerning biomedical statistics according to the Aims of Training for Pediatric Cardiologists issued by the Japanese Society of Pediatric Cardiology and Cardiac Surgery are explained. The items are not only for pediatric cardiologists, however, but also for medical specialists in all the fi elds. Issues discussed in this article are; (1) characteristics of data, (2) representative values and variations, (3) descriptive statistics and analytic statistics, (4) estimations and tests, (5) methods of tests, (6) methods of estimations, (7) correlation and regression, (8) multiple comparison, and (9) charts and graphs.
