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A diagrammatical representation where a total of the parts make a meaningful whole is:

A diagrammatical representation where a total of the parts make a meaningful whole is: Correct Answer Pie diagram

Visual presentation of data means the presentation of statistical data in the form of diagrams and graphs.

Diagrammatical Representation: Diagrams are generally classified based on length, breadth, and height. Diagrammatic representation provides an easy understanding and attractive look.

Broadly, diagrams are classified as, One-dimensional diagram (Bar diagrams),  Two-dimensional diagram, Three-dimensional, Pie diagrams, Pictograms, and Cartograms.

One-dimensional or Bar Diagrams:

  • They are called one-dimensional diagrams as only the length of the bar matters and not the width.
  • They are the simplest and easiest when comparing two or more diagrams.
  • Examples include Simple bar diagrams, Multiple bar diagrams, etc.

 

[ alt="F1 Shraddha Alka 05.11.2020 D5" src="//storage.googleapis.com/tb-img/production/20/11/F1_Shraddha_Alka_05.11.2020_D5.png" style="width: 311px; height: 228px;">

Two-dimensional or Area Diagrams:

  • They are called two-dimensional diagrams because of the length and the width, both are considered.
  • Examples include rectangles, squares, and circles.

[ alt="F1 Shraddha Alka 05.11.2020 D1" src="//storage.googleapis.com/tb-img/production/20/11/F1_Shraddha_Alka_05.11.2020_D1.png" style="width: 107px; height: 137px;">

Pie Diagram (Sector Graph):

  • It is used when the situation requires knowing the relationship between the whole of a thing and its parts, i.e. the total of the parts make a meaningful whole.
  • They are generally used to show percent breakdowns.
  • It is a sub-divided circle and the area of different sub-divisions in pie diagrams is in the proportion of the data to be represented.
  • It is also known as sector graph because the circle is divided into different sectors percentage-wise.

 

[ alt="F1 Shraddha Alka 05.11.2020 G 1" src="//storage.googleapis.com/tb-img/production/20/11/F1_Shraddha_Alka_05.11.2020_G%201.PNG" style="width: 342px; height: 271px;">

Three-dimensional Diagram:

  • Three-dimensional pie charts have a three-dimensional visual effect.
  • They are called three-dimensional diagrams because the length, width, and height are considered.
  • It is a visually effective display and is suitable for presentations.

 

[ alt="F1 Shraddha Alka 05.11.2020 D2" src="//storage.googleapis.com/tb-img/production/20/11/F1_Shraddha_Alka_05.11.2020_D2.png" style="width: 292px; height: 204px;">

Pictograms:

  • Pictograms are drawn with the help of pictures.
  • These diagrams indicate the nature of the represented facts.
  • The picture is used as symbols to represent the units or values of any variable or commodity selected carefully.
  • The picture symbol must be self-explanatory.

 

[ alt="F1 Shraddha Alka 05.11.2020 D3" src="//storage.googleapis.com/tb-img/production/20/11/F1_Shraddha_Alka_05.11.2020_D3.png" style="width: 323px; height: 269px;">

Cartograms:

  • Representation of the numerical facts with the help of a map is known as a cartogram.
  • Maps are helpful in a comparative study of various districts of a state or different states of a country.

 

[ alt="F1 Shraddha Alka 05.11.2020 D4 1" src="//storage.googleapis.com/tb-img/production/20/11/F1_Shraddha_Alka_05.11.2020_D4_1.png" style="width: 662px; height: 294px;">

Hence, a diagrammatical representation where a total of the parts make a meaningful whole is called a pie diagram.

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