Stages for the initiation of a statistical investigation

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Stages for the initiation of a statistical investigation

Data collection

You must choose the topic, find the information, locate and select the material, evaluate the reference of the material, take notes, build the project.

Collection methods are diverse and depend on the possibilities of access or contact with the investigated elements of the size of the population or sample.

It is the moment in which the investigator contacts with the objects or elements under study, specify the variables and identify data sources.

A group and practical work must be carried out, to propose a work with a question posed, population, sample, type of variable, table, graph.

There are several techniques to collect data, such as: observation, interview, questionnaire, survey.

It can be carried out in two modalities: the documentary or bibliographical research technique, and the field work technique.

Planning

Determine the geographic scope, population, human group, period of analysis, elaboration Activities Calendar.

It bases and determines the objectives, identifies and evaluates sources of information, population and elements, studied for the analysis.

Organization and presentation of data

The validity of their results and conclusions depend the reliability of the data used.

Organization, classification and organization in tables and graphs

Data analysis and identification

The interpretation of the data and results are made in the context of the research objectives.

mathematical arguments and statistical theorists

Formulation of conclusions and preparation of the report

It must be precise in such a way that it facilitates a good statistical unit.

Summary form of results and conclusions