Which display allows individual observations to remain visible while also showing their distribution?
Correct answer: A. Stem-and-leaf plot
- A. Stem-and-leaf plot
- B. Pie chart
- C. Percentage bar chart
- D. Frequency polygon
Explanation
A stem-and-leaf plot retains the individual data values while arranging them to show the distribution. A pie chart and percentage bar chart show category shares, while a frequency polygon summarizes grouped frequencies.
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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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