The Descriptive statistics is the branch of Statistics that is responsible for collecting and organizing information about the behavior of systems wit...
The inferential statistics or deductive statistics is one that deduces the characteristics of a population from samples taken from it, through a serie...
The trend measures central they indicate the value around which the data of a distribution are. The best known is the average or arithmetic mean, whic...
The proof Chi squared or chi-square (χtwo, where χ is the Greek letter called “chi”) is used to determine the behavior of a certain variable and also ...
The types of measurement errors they can be random, systematic, disparaging or significant, among others. The measurement error is known as the differ...
The differences between population and sample in Statistics, they derive from the fact that the population is the universe of elements to be studied, ...
The F distribution o Fisher-Snedecor distribution is the one used to compare the variances of two different or independent populations, each of which ...
The Absolute frecuency It is defined as the number of times that the same data is repeated within the set of observations of a numerical variable. The...
The cumulative frequency is the sum of the absolute frequencies f, from the lowest to the one that corresponds to a certain value of the variable. In ...
