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9d . Pie Charts

CSCI N207 Data Analysis Using Spreadsheet. 9d . Pie Charts. Lingma Acheson linglu@iupui.edu. Department of Computer and Information Science, IUPUI. Pie Charts. Univariate analysis (one data variable, good for comparing percentages among categories)

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9d . Pie Charts

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  1. CSCI N207 Data Analysis Using Spreadsheet 9d. Pie Charts Lingma Acheson linglu@iupui.edu Department of Computer and Information Science, IUPUI

  2. Pie Charts • Univariate analysis (one data variable, good for comparing percentages among categories) • Data represented as an area in a circle expressed as a percentage of a whole. Larger pie piece represents a larger percentage. • Number of categories should be kept to a minimum (<10). • “Other” category should represent a small percentage (if used). • Total percentage should add up to 100 to close to 100 (due to round ups) • Sometimes need to process data to come up with percentages

  3. Examples

  4. Practice • Find out the percentage of coffee orders from all the customers.

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