Because stacked bar graphs must add up to 100%, they have the same characteristics as pie charts. When >3 groups are compared, a stacked bar graph may be easier to understand, especially if there is a natural order to the categories.
A pie chart is a circular drawing that is divided into segments, with each segment representing a data category or group.
Statistical graphics experts discourage the use of pie charts. They also advise against using pie charts for making comparisons between data sets.
Panel B, on the other hand, illustrates another, better way of presenting similar data using pie charts. While still comparing data sets, this presentation makes a tabular array of data its central focus, while the pie charts mainly add visual interest and emphasis to that tabulation.
Key Words: fathers, parenting, identity, methodology, pie chart
The third common type of graph used to present accounting information is the pie chart
. Pie charts
are useful for showing parts of a whole.
Encourage students to make chronological records using timelines or pie charts
of events of interest to them or in other curriculum areas, such as inventions.
For example, suppose you were viewing a pie chart
with several expense categories; if you double-clicked on one slice of the pie chart
, the program would display the supporting numbers.
The consensus of those focus groups was that having separate pie charts
for risk of exposure and risk of death if exposed made it easier for individuals to relate government environmental regulations to changes in risk.
Every time it goes into a new report, government form, tax return, Web site, spreadsheet, pie chart
or financial statement, somebody has to mess with every number.
, bar graphs, and line charts are useful for achieving somewhat different purposes.
Generally, column and line charts depict variables over time; bar and pie charts
depict variables at a specific instant.