## what is the statistics:

Statistics is a science that uses numerical data to obtain inferences based on the calculation of probabilities. A statistic is also a set of data obtained through a statistical study.

This term comes from the German statistik (with a meaning different from the current one) and in turn from the latin State collegium.

## Types of statistics

You can set two types of statistics, depending on if you use techniques descriptive or inferential.

### Descriptive statistics

Descriptive statistics can be defined as the study that includes obtaining, organization, presentation and description of numerical information. It, therefore, aims to portray the main characteristics of the data collected.

### Inferential statistics

Moreover, the inferential statistics is the study that uses techniques from which generalizations are obtained or decisions based on a partial or complete information through descriptive techniques. Its aim is to draw conclusions from utility over the total number of possible observations based on the information obtained.

## Statistical probability

The statistical probability is a form of measurement that certainty associated with observation or occurrence of a phenomenon or the fact that a characteristic of an object of study take certain value. Can be simplified by dividing the number of occurrences of an event by the total number of possible cases.

## Applied statistics

The applied statistics is the branch of statistics for making inferences from one or more samples in a given population as an object of study. The applied statistics is used in different Sciences, such as history, economy, education or sociology studies and statistical analyses.

## Parametric and statistical non-parametric statistics

The parametric statistics is a set of techniques developed for high levels of measurement. The non-parametric statistics is a set of techniques designed to lower levels of measurement under.

## Statistical population

This term is used to refer to a set of persons, entities or objects on which intends to obtain certain information ara do some kind of analysis.

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