Meat or fish?
Mean or median? Mean and median are two measures of centralization. It is discussed in which situations it is preferable to use one or the other to describe data.
Evidence Based Medicine pills
Evidence Based Medicine pills
Mean or median? Mean and median are two measures of centralization. It is discussed in which situations it is preferable to use one or the other to describe data.
Hypothesis contrast. The steps of hypothesis contrast are reviewed: null and alternative hypotheses, choice of statistic, calculation of the p-value and decision.
Theoretical quantiles graph. The theoretical quantiles graph (q-q plot), used to check the normality of the data of a distribution, is reviewed.
Mean’s confidence interval. Obtaining a mean, the concept of standard error and the calculation of the mean’s confidence interval are described.
Bayes’ rule. The concept of conditioned probability and the development of Bayes’ rule, the basic form of Bayes’ theorem, are described.