Yenny Marcela Ospina

Yenny Marcela Ospina

1. The importance of statistics

   • Supply information
   • It allows to manage information, statistical data
   • It is applied in daily life, to analyze economic, social and political phenomena.
   • Allows calculations and analysis of inferences
   • It is a method of collection, organization, analysis, numerical description of information
   • It allows to study phenomena or facts in a group
   • Allows research to know expenses and costs
   • Analytics

2. Tools used in descriptive statistics

   • Boards
   • Graphics
   • Measures of central tendency
   • Measures of dispersion

3. Variable analysis tools

   • Histogram
   • Bar chart
   • Table of absolute and relative frequencies
   • Pareto chart
   • Fishbone diagram
   • Dispersion diagram
   • The control chart

Bilder und Dateien der Mindmap