TR JAIN AND VK OHRI Solutions for Class 11-commerce Statistics For Economics Chapter 6 - Diagrammatic Presentation of Data- Bar Diagrams and Pies Diagrams

Chapter 6 - Diagrammatic Presentation of Data- Bar Diagrams and Pies Diagrams Exercise 109

Question SAQ 1

Make a suitable diagram of the following data on population in India.

Year

1951

1961

1971

1981

1991

2001

2011

Population (crore)

36.1

43.9

54.8

68.3

84.6

102.8

121.0

Solution SAQ 1

Population of India (Rs crore)

Question SAQ 2

Give a diagrammatic presentation of the following data on India's Exports and Imports:

Year

Export (Rs crore)

Import (Rs crore)

2010-11

8,45,534

13,63,736

2011-12

11,42,922

16,83,467

2012-13

14,65,959

23,45,463

Solution SAQ 2

India's Exports and Imports (Rs crore)

Chapter 6 - Diagrammatic Presentation of Data- Bar Diagrams and Pies Diagrams Exercise 110

Question SAQ 7

What do you mean by a circular diagram? Present the data on the expenditure of labour-family inthe form of a circular diagram:

Items of Expenditure

Food

Clothing

Housing

Fuel and Light

Others

Percentage of Income Spent

65

15

12

5

3

Solution SAQ 7

Circular diagram also known as pie diagram shows the percentage values of a series which is presented in a circle divided into various segments.

Pie Diagram

Question SAQ 8

Following data relate to the construction of a house in Delhi. Present the information in the form ofa pie diagram:

Items

labour

Bricks

Cement

steel

timber

Supervision

Percentage Expenditure

25

15

20

15

10

15

Solution SAQ 8

Pie diagram

Question SAQ 3

Make a bar diagram of the following data on India's population:

Year

1971

1981

1991

2001

2011

Population (crore)

54.8

68.3

84.6

102.8

121.0

Solution SAQ 3

India's Population (Rs crore)

Question SAQ 4

Make a multiple bar diagram of the following data:

Faculty

Number of Students

2011-12

2012-13

2013-14

Art

600

550

500

Science

400

500

600

commerce

200

250

300

Solution SAQ 4

Number of Students in different Streams

Question SAQ 5

Following table shows estimates of cost of production of certain commodities. Present the data in the form of a sub-divided bar diagram:

Estimate of Cost

Goods

A

B

C

D

Raw material

50

40

45

50

Wages

40

40

40

40

Fixed cost

10

12

15

15

Office expenses

10

8

10

5

Total

110

100

110

110

Solution SAQ 5

Cost of Production of Commodities

Question SAQ 6

Present the following data in the form of a multiple bar diagram:

Year

Export (Rs crore)

Import (Rs crore)

2010-11

8,40,755

13,74,436

2011-12

8,45,534

13,63,736

2012-13

11,42,922

16,83,467

2013-14

14,65,959

23,45,463

Solution SAQ 6

Multiple Bar Diagram

Chapter 6 - Diagrammatic Presentation of Data- Bar Diagrams and Pies Diagrams Exercise 111

Question SAQ 9

For the years 2012-13 and 2013-14, value of gross domestic product at factor cost by the industry of origin is given in the following table. Present the information in the form of Pie Diagram showing difference in the percentage contribution of different sectors between the said years.

Sector

Year

2012-13

2013-14

Primary

17

16.7

Secondary

57

26

Tertiary

26

57.3

Total

100

100

[ Hint: Make separate Pie diagrams for the year 2012-13 and 2013-14.]

Solution SAQ 9

2012-2013

2013-2014

Sector

% contribution

Degree Share

Sector

% contribution

Degree Share

Primary

17

17 × 36/100=61.2

Primary

16.7

16.7 × 36/100=60.120

Secondary

57

57 × 36/100=205

Secondary

26

26 × 36/100=93.60

Tertiary

26

26 × 36/100=93.6

Tertiary

57.3

57.3 × 36/100=206.280

Question SAQ 10

Presentthe following data on the production of food grains in the form of a sub-divided bar diagram:

Year

Wheat

Rice

Gram

Total

2012

30

20

10

60

2013

45

30

15

90

Solution SAQ 10

Production of Food Grains

Question SAQ 11

Present the following data by a deviation bar diagram, showing the difference between sale proceeds and cost of firm.

Year

Sale Proceeds

(Rs in lakh)

Costs

(Rs in lakh)

2008 - 09

115

100

2009 - 10

140

115

2010 - 11

145

155

2011 - 12

150

140

2012 - 13

160

145

2013 - 14

170

165

Solution SAQ 11

Year

Sale Proceeds

Costs

Sale Proceeds - Cost

2008 - 09

115

100

15

2009 - 10

140

115

25

2010 - 11

145

155

-10

2011 - 12

150

140

10

2012 - 13

160

145

15

2013 - 14

170

165

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