# pie chart

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## pie chart

[′pī ‚chärt]
(mathematics)
A circle divided by several radii into sectors whose relative areas represent the relative magnitudes of quantities or the relative frequencies of items in a frequency distribution. Also known as circle graph; sectorgram.
Fig. 23 Pie graph or pie chart. In the above example, sectors of the graph indicate the type of employment of Polytechnic and College social science graduates, three years after graduation.

or

## pie chart

a circular graph divided into sectors proportional to the magnitudes of the quantities represented.

## pie chart

A graphical representation of information in which each unit of data is represented as a pie-shaped piece of a circle. See business graphics.
References in periodicals archive ?
Confident 32% Very confident 28% Somewhat confident 25% Not at all confident 14% Don't know 1% Note: Table made from pie chart.
TSB Smart 9% Awards Changes 43% taxation system Bank for 20% industry None or 29% don't know Note: Table made from pie chart.
Of course, a pie chart is not necessary in most scientific papers.
These observations might be of mere academic interest except that studies have shown that not all observers interpret pie charts in the same way, One study, for example, found that 51 percent of pie chart viewers focused on the arcs of their sectors, 23 percent evaluated them according to their central angles, and only 25 percent interpreted them according to their areas.
Since the use of pie-chart methodology in investigations of paternal identity is increasing and researchers are drawing substantive conclusions about paternal involvement from pie chart data, it is important to evaluate the efficacy and validity of this methodology before more fully endorsing it as either a supplement to, or replacement for, traditional scale measures of identity.
Finding: Pie chart shows the results of only those respondents who said that their call handling experience either "met" or "exceeded" their expectations.
Using those data, we created a pie chart to illustrate the revenue contributions (exhibit 1, page 58).
The Wizard helps identify "troublemakers" among the machines in your plant by displaying a pie chart for each press showing the relative amounts of uptime, downtime, repair time, and idle time.
Number of Categories: If more than four or five categories are used for a simple comparison, a bar chart should be used rather than a pie chart.
Write pie chart on the chalkboard and have students discuss what a pie chart looks like.
As part of their effort to provide context on risk of death, Smith and Desvousges (1987) used both a risk ladder and pie chart to communicate information on risk.
TEMPORARY LACK OF CAPACITY 14% COMPANY IS VIRTUAL 30% LIFECYCLE MANAGEMENT 6% TO FOCUS ON CORE COMPETENCIES 41% TO REDUCE COMPANY SIZE 5% OTHER 4% Note: Table made from pie chart.

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