CBSE Class 11 Economics Presentation Of Data Notes

Download CBSE Class 11 Economics Presentation Of Data Notes in PDF format. All Revision notes for Class 11 Economics have been designed as per the latest syllabus and updated chapters given in your textbook for Economics in Class 11. Our teachers have designed these concept notes for the benefit of Class 11 students. You should use these chapter wise notes for revision on daily basis. These study notes can also be used for learning each chapter and its important and difficult topics or revision just before your exams to help you get better scores in upcoming examinations, You can also use Printable notes for Class 11 Economics for faster revision of difficult topics and get higher rank. After reading these notes also refer to MCQ questions for Class 11 Economics given on studiestoday

Revision Notes for Class 11 Economics Statistics for Economics Chapter 4 Presentation of Data

Class 11 Economics students should refer to the following concepts and notes for Statistics for Economics Chapter 4 Presentation of Data in Class 11. These exam notes for Class 11 Economics will be very useful for upcoming class tests and examinations and help you to score good marks

Statistics for Economics Chapter 4 Presentation of Data Notes Class 11 Economics

Chapter 4

PRESENTATION OF DATA


Important terms and concepts:

1. Tabulation – Orderly arrangement of data in rows and columns.

2. Objectives of Tabulation:

a] Helps in understanding and interpreting the data easily.

b] It helps in comparing data.

c] It saves space and time.

d] Tabulated data can be easily presented in the form of diagrams and graphs.

3. Main parts of a table.

a] Title of the table – It is a brief explanation of contents of the table.

b] Table number – It is given to be used for reference.

c] Captions – A word or phrase which explains the content of a column of a table.

d] Stubs – Stubs explain contents of row of a table.

e] Body of the table: Most important part of table as it contains data.

f] Head note: Head note is inserted to convey complete information of title.

g] Source note refers to the source from which information has been taken.

h] Foot note: It is used for pointing exceptions to the data. 

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Types of Table:

1. Simple Table – data are presented according to one characteristic only

2. Double Table – data are presented about two interrelated characteristics of a particular variable.

3. Three way table – This table gives information regarding three interrelated characteristics of a particular variable.

4. Manifold table – This table explains more than three characteristics of the data.

Diagrammatic Presentation of Data

Utility or uses of diagrammatic presentation:

1. Makes complex data simple.

2. Diagrams are attractive.

3. Diagrams save time when compared to other methods.

4. Diagrams create a lasting impression on the minds of observers.

Limitations of diagrammatic presentation:

1. They do not provide detailed information.

2. Diagrams can be easily misinterpreted.

3. Diagrams can take much time and labour.

4. Exact measurement is not possible in diagrams.

Kinds of diagrams:

I. Line diagrams – Lines are drawn vertically to show large number of items.

II. Bar diagram

1. Simple Bar diagrams – These diagrams represent only one particular type of data.

2. Multiple Bar diagrams – These diagrams represent more than one type of data at a time.

3. Subdivided Bar diagram or Component Bar diagram – These diagrams present total values and parts in a set of a data.

III. Pie diagrams – Circle may be divided into various sectors representing various components.

GRAPHIC PRESENTATION OF DATA

Advantages of Graphic Presentation:

1. Graphs represent complex data in a simple form.

2. Values of median, mode can be found through graphs.

3. Graphs create long lasting effect on people’s mind.

Disadvantages of graphic Presentation: 

1. Graphs do not show precise values.

2. Only experts can interpret graphs.

3. Graphs may suggest wrong conclusions.

Rules of Constructing graph:

1. The heading of the graph should be simple, clear and self explanatory.

2. Graphs should always be drawn with reference to some scale.

3. False baselines should be drawn if the difference between zero and the smallest value is high.

4. Index should be made if different lines are drawn as in time series graphs.

Types of Graphs:

1. Line frequency graphs – Such graphs are used to represent discrete series.

2. Histogram – A two dimensional diagram whose length shows frequency and the breadth shows size of class interval.


Please click the link below to download pdf file for CBSE Class 11 Economics - Presentation of Data (English).

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CBSE Class 11 Economics Statistics for Economics Chapter 4 Presentation of Data Notes

We hope you liked the above notes for topic Statistics for Economics Chapter 4 Presentation of Data which has been designed as per the latest syllabus for Class 11 Economics released by CBSE. Students of Class 11 should download and practice the above notes for Class 11 Economics regularly. All revision notes have been designed for Economics by referring to the most important topics which the students should learn to get better marks in examinations. Our team of expert teachers have referred to the NCERT book for Class 11 Economics to design the Economics Class 11 notes. After reading the notes which have been developed as per the latest books also refer to the NCERT solutions for Class 11 Economics provided by our teachers. We have also provided a lot of MCQ questions for Class 11 Economics in the notes so that you can learn the concepts and also solve questions relating to the topics. We have also provided a lot of Worksheets for Class 11 Economics which you can use to further make yourself stronger in Economics.

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