Pie chart

PIE CHART

  • A pie is a circle in which individual characters (diseases / conditions) are represented as slices.
  • The angle of each slice is proportional to the frequency of then character.
  • It is the common way of displaying numerical data and the variations (by seeing the angle of the character) can be understood easily.
  • Pie charts are easy to comprehend and are useful when numerical data are being are presented to audiences unaccustomed in interpreting scientific results.
    • Example: Season wise mortality percentage in poultry based on post-mortem examination (1988 – 1997) from Avian Disease Diagnostic Laboratory, Namakkal, Tamilnadu, India. 

Representation of data as "PIE CHART"

Bar chart
Last modified: Thursday, 22 September 2011, 10:16 AM