Statistics

Statistics

1. Martínez, (2012) Montero, (2007)

2. Concept

   • it's a method that
     • collect organize analyze describes
       • information
       • numerical
   • study
     • the behavior
       • of facts or phenomena
         • of a group

3. Class

   • Descriptive
     • describes
       • the characteristics important
         • of a set
           • to do comparisons
   • inductive
     • seeks to give explanations
       • to behavior
         • of a set of observations
     • proof
       • the validity of results
     • discover
       • the causes
         • that what originate

4. Terms

   • population
     • set
       • of elements
         • what's wrong with it a characteristic
           • in common
   • element
     • units that integrate
       • the population or sample
         • could be
           • single unit
           • complex entity
           • persons
           • objects
           • things
   • frame
     • list of units or items
       • where from select
         • the sample
   • characteristic
     • of the items
   • sample
     • selection
       • of one part of items
         • of the population
           • for analysis

5. Variables

   • character voiced so
     • qualitative
     • quantitative

6. Representations graphics

   • qualitative
     • Pareto chart
     • Sectors diagrams
     • cartogramas
     • bar chart
   • quantitative
     • cumulative frequency polygon
     • frequency histogram
     • frequency polygons
     • dot plots
     • stem and leaf plot
     • bar chart
     • cumulative frequency polygon

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