Another about coins
Conditional probability. Sometimes the initial probability can change if we have certain information. This is what is called conditional probability.
Evidence Based Medicine pills
Evidence Based Medicine pills
Conditional probability. Sometimes the initial probability can change if we have certain information. This is what is called conditional probability.
Combinatory and probability. An example of the use of combinatory is presented to obtain the possible and total events to calculate the probability of that event.
Odds ratio vs risk ratio. Odds ratio and risk ratio are related concepts that can be interchanged when the prevalence of the effect is low, but not in other situations.
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.