Health care Sector search for general clarifications for the disparities in procession of treatments in response to a disease. An increasingly accepted explanation is the important statistical technique analysis of variance (ANOVA). This technique is intended to analyze the discrepancy in data in order to meet the disparity among population means. At this point I have clarified the idea of one way ANOVA and its relevance with two examples of for one factor ANOVA and two factors ANOVA.