Data obtained from published reports, books, or official records are known as:
Correct answer: B. Secondary data
- A. Primary data
- B. Secondary data
- C. Experimental data
- D. Raw data
Explanation
Secondary data already exist and are obtained from sources such as reports or records. Primary data are collected first-hand by the researcher for the current study.
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About Data Collection and Presentation
Data collection covers primary and secondary sources, qualitative and quantitative data, discrete and continuous variables, sampling methods and questionnaire design. Presentation includes frequency tables, grouped data, bar charts, histograms, pie charts, line graphs and cumulative frequency curves, with care over class intervals and misleading scales.
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