A questionnaire is most suitable when a researcher wants to:
Correct answer: A. Collect standardised responses
- A. Collect standardised responses
- B. Draw a frequency polygon
- C. Calculate a class boundary
- D. Display data by sectors
Explanation
A questionnaire uses a common set of questions, making responses easier to compare across participants. Frequency polygons and sector displays are methods of presenting data, not methods of collecting it.
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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.
Practise Data Collection and Presentation
30 free Data Collection and Presentation MCQs from Quantitative Methods, each with the correct answer and an explanation. Unlimited attempts, no account needed.
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