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The Fundamentals of Statistics - Statistical Analysis-DB

Describe 5 data collection techniques in your own words.
Explain why the examination of collected data is so important.

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The five data collection techniques are:

? Survey - The data is collected through a combination of structured and unstructured questions administered either paper based or online. It is used when most of the questions are structured and feedback is desired from the respondents on items that are not included in the structured questions
? Personal Interview - The data is collected by having face to face discussions with a single participant. ...

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This posting contains answers to following questions on data collection techniques.