NTA-NET (UGC-NET) Geography (80) Statistical Methods-Data Sources and Types of Data Study Material (Page 1 of 7)
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Statistical Methods: Introduction, Descriptive Statistics
Science of collecting, organizing, and interpreting data is statistics. It includes planning for data collection in terms of design of surveys and experiments.
In this topic, we will first discuss some techniques for descriptive statistics. Then move on to sampling a…
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Types of Data: Primary vs. Secondary Data, Qualitative vs. Quantitative Data
Primary vs. Secondary Data
Primary Data: Primary data is collected directly by an authorized organization, investigator, or enumerator for the first time. It is usually gathered through field research. E. g. , questionnaire filled by certain population sample can be used to collect primary data. Questionnaires should keep number of questions to a minimum. They should arrange questions in logical manner. Questions should be short, simple, and non-personal with short objective answers (preferably in yes or no form) . Enumerator collects information from the field either (researcher or for agent of a data-collecting agency say census) . Respon…
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