Content Starts Here
pie chart
Encyclopaedia Search
Pie Chart
Method of displaying proportional information by dividing a circle up into different-sized sectors (slices of pie). The angle of each sector is proportional to the size, expressed as a percentage, of the group of data that it represents.
For example, data from a traffic survey could be presented in a pie chart in the following way:
(1) convert each item of data to a percentage figure;
(2) 100% will equal 360 degrees of the circle, therefore each 1% = 360/100 = 3.6 degrees;
(3) calculate the angle of the segment for each item of data by multiplying the percentage by 3.6, and plot this on the circle.
The diagram may be made clearer by adding colours or shadings to each group, together with a key.
© Research Machines plc 2008. All rights reserved. Helicon Publishing is a division of Research Machines plc.
Advertisement starts
Advertisement ends
arithmetic mean
average
bar chart
box plot
class interval
contingency table
continuous data
correlation
cumulative frequency
discrete data
frequency (statistics)
frequency diagram
graph
grouped data
histogram
interquartile range
line of best fit
median
mode (mathematics)
percentile
pictogram
pie chart
quartile
range (statistics)
raw data
scatter diagram
statistics
stem and leaf diagram
tree diagram
average
bar chart
box plot
class interval
contingency table
continuous data
correlation
cumulative frequency
discrete data
frequency (statistics)
frequency diagram
graph
grouped data
histogram
interquartile range
line of best fit
median
mode (mathematics)
percentile
pictogram
pie chart
quartile
range (statistics)
raw data
scatter diagram
statistics
stem and leaf diagram
tree diagram
Related Links
Iraq Flag
Red stands for courage. White represents generosity. Black symbolizes Islamic triumphs. Effective date: 22 January 1991.
>>
Advertorial
Find out how to buy the things you've always wanted and sell the things you don't on ebay.
Advertisement starts
Advertisement ends
Page Footer
Access keys
You will need to use different key combinations in order to use access keys depending on your internet browser, find out which on our accessibility page.
- (0) Navigate to Accessibility page.
- (1) Navigate to Home page.
- (2) Navigate to My email.
- (3) Navigate to My Account.
- (4) Navigate to Site Map page.
- (5) Navigate to Contact us page.
- (6) Navigate to Members channel.
- (7) Navigate to Services channel.
- (8) Navigate to News & Info channel.
- (9) Navigate to Entertainment channel.
- ([) Skip down to the Primary navigation block.
- (]) Skip down to the more links within this section block.
- (=) Bypass all navigation and jump to the content.
- (x) Text only version of this page.
