Diagrams

Diagrams

    • Diagrams are various geometrical shape such as bars, circles etc. Diagrams are based on scale but are not confined to points or lines. They are more attractive and easier to understand than graphs.
    Merits
    • Most of the people are attracted by diagrams.
    • Technical Knowledge or education is not necessary.
    • Time and effort required are less.
    • Diagrams show the data in proper perspective.
    • Diagrams leave a lasting impression.
    • Language is not a barrier.
    • Widely used tool.

    Demerits (or) limitations

    • Diagrams are approximations.
    • Minute differences in values cannot be represented properly in diagrams.
    • Large differences in values spoil the look of the diagram.
    • Some of the diagrams can be drawn by experts only. eg. Pie chart.
    • Different scales portray different pictures to laymen.

    Types of Diagrams


    In all the diagrams and graphs, the groups or classes are represented on the x-axis and the volumes or frequencies are represented in the y-axis.

Last modified: Thursday, 15 March 2012, 8:46 PM