Introduce el texto aquí

Introduce el texto aquí

1. counting, classification and ordering of the data obtained by the observations.

2. variable types

   • quantitative
     • Continuous variable
       • It can take values ​​between two numbers
     • discrete variable
       • It can take values ​​between two numbers
   • qualitative
     • ordinal variable
       • It presents non-numerical modalities in which there is an order
     • nominal variable
       • It presents non-numerical modalities that do not admit an order criterion

3. fact

   • Value obtained in the study
   • histogram
     • Graphic representation of a variable

4. basic concepts

   • town
     • Set of all the elements to which a study is subjected
   • single
     • Each of the elements that make up the population
   • sample
     • Representative set of the referential population
   • sampling
     • Collection of data to be studied
   • worth
     • Result that can be obtained in a study

5. classified

   • inferential statistics
     • studies how to draw general conclusions for the entire population
   • Descriptive statistics
     • analyzes a series of data and tries to draw conclusions about the behavior of the variables.