Not all deviations are perverse
Dispersion measures. Dispersion measures such as variance and standard deviation are described, as well as their relationship with the confidence intervals.
Science without sense...double nonsense
Evidence Based Medicine pills
Science without sense...double nonsense
Evidence Based Medicine pills
Read MoreNot all deviations are perverse
Virtue is the happy medium between two extremes, but…
Location measures. Se describen las principales medidas de centralización, como la media aritmética, la mediana y la moda.
Size does matter
Sample size. A series of considerations are made about the influence of sample size on the precision and probability of error of the study.
Always look for an interval, but of confidence
Confidence interval. The confidence interval marks the limits of uncertainty for the estimation of a population parameter from a sample.
It all spins around the null hypothesis
Null hypothesis. The null hypothesis is the center of the hypothesis testing, which seeks to be able to reject it when statistical significance is reached.