Sandeep Garg Solutions for Class 11 Economics Chapter 4 - Graphic Presentation

Sandeep Garg Class 11 Economics Solutions Chapter 4 – Graphic Presentation is illustrated by the professional economic educator from the contemporary edition of Sandeep Garg Economics Class 11 textbook solutions.

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There are numerous concepts in economics, but here we provide you with the solution from the Tabular Presentation, which will be convenient for the students to score well in the board exams.

Sandeep Garg Solutions Class 11 – Chapter 4

Question 1

From the following data prepare a line frequency graph.

Marks 20 30 40 50 60 70 80
Frequency 7 9 11 12 14 15 17

Answer:

The data is presented in a line frequency graph

 line frequency graph

Question 2

Represent a histogram from the following data.

Marks 0−10 10−20 20−30 30−40 40−50
No. of Students 15 30 58 45 35

Answer:

The given data can be represented with the help of a histogram.

 histogram

Question 3

Make a histogram from the following frequency.

Class Interval 2.5 7.5 12.5 17.5 22.5
Frequency 5 10 30 15 6

Answer:

 histogram

Here, the gap between two mid-values is 5, so, it’s half difference (2.5) will be subtracted and added from each mid-point to get the below-mentioned class intervals.

Mid-Points Class Interval Frequency
2.5

7.5

12.5

17.5

22.5

0 − 5

5 − 10

10 − 15

15 − 20

20 − 25

5

10

30

15

6

Question 4

With the help of the following frequency prepare a polygon.

Mid-Values 5 15 25 35 45 55 65 75
Frequency 4 10 16 22 25 12 7 2

Answer:

polygon

Question 5

Arrange a frequency curve of the following details:

Class-interval 10−20 20−30 30−40 40−50 50−60 60−70 70−80
Frequency 3 7 11 15 13 6 2

Answer:

Class Interval Frequency
10−20

20−30

30−40

40−50

50−60

60−70

70−80

3

7

11

15

13

6

2

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frequency curve