Question:Which among the following is not true regarding the use of a pie chart? .
A A pie chart could be used when there is only one data series to be plotted.
B A pie chart could be used when the data points in a pie chart are displayed as a percentage of the whole pie.
C A pie chart could be used when none of the values that need to be plotted on the chart is negative.
D A pie chart should be used when there are more than seven categories
+ AnswerA D
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