Because it shows how much each element of a whole unit takes up. So if you had totals for each of the 12 months of a year, like sales totals, a pie chart would show 12 slices, one for each month. You could then have an indication as to how much each month made up of the total sales for the year. You can get the pie chart to show the actual value of each slice of show the percentage each slice represents of the whole pie.
Yes.
When you make your pie chart in Excel, set the parameters of the chart to display percent for each data item (slice of the pie).
A pie chart always adds up to 100%. Pie charts are best for showing percentages in data.
Percentage data
A pie chart is round with "slices" to identify data items. A column chart is a series of columns to identify data items. A pie chart allows you to see how all the parts fit into the whole. A column chart allows you to compare all the parts with each other.
To present a graphical representation of the data that makes it easier for the viewer to compare data items with the whole data set (pie chart) or with each other (bar chart).
Yes.
a pie a pie chart compares from a whole known and 100.
Pie Chart
When you make your pie chart in Excel, set the parameters of the chart to display percent for each data item (slice of the pie).
A pie chart always adds up to 100%. Pie charts are best for showing percentages in data.
A bar chart or a pie chart.
A pie chart is a type of graph that shows data as parts of a circle. Each section of the pie represents a proportion of the whole data set. The size of each slice is proportional to the quantity it represents.
Percentage data
A pie chart is round with "slices" to identify data items. A column chart is a series of columns to identify data items. A pie chart allows you to see how all the parts fit into the whole. A column chart allows you to compare all the parts with each other.
For any data that can be best expressed as percentages of a whole, a pie chart or pie graph is appropriate.
A pier chart is used to compare relative parts of a whole.