At a rough guess
Signs test. Signs test compares two medians using the direction of the values with respect to the mean and binomial probability.
Science without sense...double nonsense
Evidence Based Medicine pills
Science without sense...double nonsense
Evidence Based Medicine pills
Category Sin categoría
Size and power
Power and sample size. Power and sample size are two related concepts, which have to do with the ability to detect the studied effect.
Give me a bar and I’ll move the earth
Standardization. Standardization is described, which consists of subtracting the mean from a value and dividing it by its standard deviation.
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.
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.