Descriptive statistics

Descriptive statistics

1. population

   • group of individuals of objects you have features common

2. sample

   • small fractions of the population that going to do the object study

3. It is an industry in charge of study populations and allows carry out the study process research

   • types of surveys
     • descriptive and analytical
     • harvest
       • techniques
         • poll
         • interview
         • observation
         • focus grup
   • differential statistics
     • is dedicated to the generation of models inferences and predictions associated with the phenomena in question having take into account the randomness of the observations
   • Descriptive statistics
     • allows processing of data a sample and get information that can be be used for purposes exploratory
       • quantitative variable
         • this variable is related with the amounts and consequently they can tell us
       • qualitative variable
         • corresponds to variables or things that are visible which are perceptible but not necessarily can be measured

4. data collection

   • direct methods questioning and observation indirect methods mail surveys online telephone newspaper or magazines
     • preparation of material necessary for the investigation such as maps, metals, questionnaires or others

5. planning or design

   • technical and scientific preparation of everything related to the investigation process

6. survey planning or design

   • technical and scientific preparation of everything related to the research process
     • objective
       • population limits
         • exhaustive observation method population or sample representation

7. publication

   • the repost must containg
     • objetive of investigation
       • silvering of the problem
   • the estudy in sent to the interested parties

8. harvest

   • this estange comprises

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