In a simple random sample, every population member has:
Correct answer: A. An equal known chance of selection
- A. An equal known chance of selection
- B. A guaranteed chance of selection
- C. A chance based on convenience
- D. A chance fixed by the researcher
Explanation
Simple random sampling gives each population member an equal and known probability of being selected. Convenience selection depends on availability and may introduce selection bias.
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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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