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RD Chapter 23 Graphical Representation of Statistical Data Ex 23.2 Solutions

Question - 11 : -
The following data gives the amount of manure (in thousand tonnes) manufactured by a company during some years:
 
(i) Represent the above data with the help of a bar graph.
(ii) Indicate with the help of the bar graph the year in which the amount of manufactured by the company was maximum.
(in) Choose the correct alternative:
The consecutive years during which there was maximum decrease in manure production are:
(a) 1994 and 1995
(b) 1992 and 1993
(c) 1996 and 1997
(d) 1995 and 1996

Answer - 11 : -

(ii) The maximum amount of manure manufactured in the year 1994, i.e. 45 thousand tonnes.
(iii) There was maximum decrease in manure production in 1996 and 1997.

Question - 12 : -
The following data gives the demand estimates of the Government of India, Department of Electronics for the personnel in the Computer sector during the Eighth Plan period (1990-95):
 
Represent the data with the help of a bar graph. Indicate with the help of the bar graph the course where estimated requirement is least.

Answer - 12 : -

The course where requirement is least is DCE.

Question - 13 : -
The income and expenditure for 5 years of a family is given in the following data:
 
Represent the above data by a bar graph.

Answer - 13 : -

Question - 14 : -
The investment (in ten crores of rupees) of Life Insurance Corporation of India in different sectors are given below:
 
Represent the above data with the help of a bar graph.

Answer - 14 : -

Question - 15 : -
The following data gives the value (in crores of rupees) of the Indian export of cotton textiles for different years:
 
Represent the above data with the help of a bar graph. Indicate with the help of a bar graph the year in which the rate of increase in exports is maximum over the preceding year.

Answer - 15 : -

Question - 16 : -
The following table gives the quantity of good (in crore tonnes)
 
Represent this information with the help of a bar graph.
Explain through the bar graph if the quantity of goods carried by the Indian Railways in 1965-66 is more than double the quantity of goods carried in the year 1950-51.

Answer - 16 : -

Question - 17 : -
The production of oil (in lakh tonnes) in some of the refineries in India during 1982 was given below:
 
Construct a bar graph to represent the above data so that the bars are drawn horizontally.

Answer - 17 : -

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