A professor has finally finished the data collection phase of his most recent study into bank robbery rates in rural communities. As he prepares to present the findings to a panel of his peers, he has need of a good method of displaying the findings in a graphic form. He has opted for pie charts due to their ease of interpretation and colorful appearance and asks his research assistant to put the presentation together. The research assistant is reluctant to make the charts because she knows that something is amiss with the presentation. What is wrong with the professor’s presentation?
What will be an ideal response?
: Pie charts are indeed colorful and easy to interpret. However, pie charts are to be used with categorical data of a nominal or ordinal level, not continuous variables.
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