What is meant by a diagram and for what purpose it is drawn?

1.	What is meant by a diagram and for what purpose it is drawn?
Answer» Diagram: A pictorial representation of observed data is called a diagram. Diagram is self-explanatory in nature and can be easily created and understood by anyone. Although one needs to make use of scale and measurement to draw a diagram, one does not need to have a thorough knowledge of statistics to draw it. A diagram is drawn for data having discrete(discontinuous) frequency distribution. For example, the data could be 1 No. of children born in a month, 2 Price in rupees, 3 No. of road accidents, etc.

Answer»

Diagram:

A pictorial representation of observed data is called a diagram.

Diagram is self-explanatory in nature and can be easily created and understood by anyone.

Although one needs to make use of scale and measurement to draw a diagram, one does not need to have a thorough knowledge of statistics to draw it.

A diagram is drawn for data having discrete(discontinuous) frequency distribution. For example, the data could be

1 No. of children born in a month,

2 Price in rupees,

3 No. of road accidents, etc.

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