statistics

statistics

1. is the collection, organization, analysis and numerical description of information

   • Descriptive statistics
     • systemic set of procedures used to observe and describe a phenomenon numerically
       • are classified in
         • Primary sources: surveys, questionnaires and primary observation
           • secondary sources: publications, brochures, archives, books.
             • time series: chronological order, through time
       • their areas are
         • deductive statistics
           • counting, ordering and classifying data collected by observation
         • inductive statistics
           • results of statistics by means of calculation to give a conclusion about a particular sample