Tuesday 9 May 2017

7.1 CATEGORY OF CHARTS AND GRAPH






The line chart is one of the most frequently used chart types, typically used to show trends over a period of time.

If you need to chart changes over time, consider using a line chart.


A pie chart represents the distribution or proportion of each data item over a total value (represented by the overall pie).
A pie chart is most effective when plotting no more than three categories of data.




Scatter charts in Excel (also known as XY scatter plot charts) are excellent for showing correlations between two sets of values. For example an XY scatter plot can be used to illustrate the correlation between employee performance and competency, demonstrating that employee performance rises as competency improves.
The x and y axes work together to represent data plots on the chart based on the intersection of x values and y values.



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