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What are the advantages & disadvantages in the way raw data can be recorded & displayed?
For example, which is more appropriate: a bar chart or a pie chart, a scatter graph or a pie chart, and give reasons?
asked in maths

siasl74 answers:

It depends on the raw data and what elements of it you wish to extract, plus your personal preference. For example, your raw data may be a pile of questionnaire returns with answers to the question "what pets (if any) do you have?". That could then readily be plotted as a bar chart to show the percentage of folks that have a particular pet. Pie chart would be unsuitable as you are likely to sum to >100% due to some folks having both a cat and a dog

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