A part chart is a type of geovisualization. It is a chart that is used to compare different dependent variables from a common independent variable. The graph is in a circular pie shape and is usually multiple colors to help for easy analysis. Pie charts can be used to measure many things including both quantitative and qualitative data. The pie chart above shows the results of the question: what is your favorite movie? The chart shows how many students were asked and how many chose each different category. The percentages were also calculated.
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