A random variable has a continuous uniform distribution if the probability that it takes on a value, within a finite interval [a, b], is the same for ...
A key statistical concept is that of random variable, which is understood as the numerical result of a random experiment and it is so called because p...
The statistical population It is the collective or complete set of elements with characteristics in common and that you want to study. These elements ...
The measures of central tendency, dispersion and position, are values that are used to properly interpret a set of statistical data. These can be wo...
What is an ordinal variable? An ordinal variable is one that takes values that can be ordered (or denote an order). For example, the variable heigh...
What is probability? The probability, Mathematically speaking, the occurrence of a certain event is the extent to which that event is predictable. Fo...
Figure 1.- The best known measures of variability. Source: F. Zapata. What are measures of variability? The measures of variability, Also called measu...
In double sampling you want to know more deeply a variable of a population What is double sampling? The double sampling is a technique used in inferen...
