This book is a brief, intuitive approach to clinical biostatistics, not just to pass the medical exam, but also to improve patient care by assisting practitioners in evaluating medical literature. . The book will help practitioners seeking answer for these four questions: 1. Is this the best research design (prospective, retrospective study, etc.) Considering the aim of the study? 2. Is this the best statistical test to analyze the data (t-test, ANOVA, etc.)? 3. What do the results mean (mean, median, mode, standard deviation, SEM, confidence limit, p-value, F statistic, chi-square, etc.)? 4. Are the researcher’s conclusion correct?