The crisis of energy due to the increasing awareness depletion fossil fuel resources, biodiesel is an alternative source and promising potential that grows rapidly, its high contribution environment friendly, renewable, non-toxicity, biodegradability, essentially sulfur-free, as a strategical renewable in substitution diesel oil contributes minimal amount net greenhouse gases. In this study, ex...

Analysis of variance (ANOVA) is a statistical method that is widely used in the psychosomatic literature to analyze the results of randomized trials, yet ANOVA does not provide an estimate for the difference between groups, the key variable of interest in a randomized trial. Although the use of ANOVA is frequently justified on the grounds that a trial incorporates more than two groups, the hypo...