English

The expenditure of a family on different heads in a month is given below: Head Food Education Clothing House Rent Others Savings Expenditure(in Rs) 400

Advertisements
Advertisements

Question

The expenditure of a family on different heads in a month is given below:

Head Food Education Clothing House Rent Others Savings
Expenditure
(in Rs)
4000 2500 1000 3500 2500 1500

Draw a bar graph to represent the data above.

Graph
Advertisements

Solution

We represent the head variable on the x-axis and expenditure on the y-axis.

Let choose the scale as 1 unit = Rs. 500

To represent our first head that is food, we draw a rectangular bar with width 1 unit and height 8 units.

Similarly, other heads are represented by leaving a gap of `1/2` unit in between two consecutive bars.

The bar graph for given data is shown below:

shaalaa.com
  Is there an error in this question or solution?
Chapter 14: Statistics & Probability - Exercise 14.3 [Page 141]

APPEARS IN

NCERT Exemplar Mathematics Exemplar [English] Class 9
Chapter 14 Statistics & Probability
Exercise 14.3 | Q 6. | Page 141

RELATED QUESTIONS

100 surnames were randomly picked up from a local telephone directory and a frequency distribution of the number of letters in the English alphabet in the surnames was found as follows:

Number of letters Number of surnames
1 - 4 6
4 - 6 30
6 - 8 44
8 - 12 16
12 - 20 4
  1. Draw a histogram to depict the given information.
  2. Write the class interval in which the maximum number of surnames lie.

Read the following bar graph and answer the following questions:

(i) What information is given by the bar graph?
(ii) Which state is the largest producer of rice?
(iii) Which state is the largest producer of wheat?
(iv) Which state has total production of rice and wheat as its maximum?
(v) Which state has the total production of wheat and rice minimum?


The following bar graph (Fig. 23. 1 4) represents the heights (in cm) of 50 students of Class XI of a particular school. Study the graph and answer the following questions:

(i) What percentage of the total number of students have their heights more than 149cm?
(ii) How many students in the class are in the range of maximum height of the class?
(iii) The school wants to provide a particular type of tonic to each student below the height
of 150 cm to improve his height. If the cost of the tonic for each student comes out to be Rs. 55, how much amount of money is required?
(iv) How many students are in the range of shortest height of the class?
(v) State whether true or false:
a. There are 9 students in the class whose heights are in the range of 155 - 159 cm.
b. Maximum height (in cm) of a student in the class is 17.
c. There are 29 students in the class whose heights are in the range of 145- 154 cm.
d. Minimum height (in cm) of a student is the class is in the range of 140 – 144 cms.
e. The number of students in the class having their heights less than 150 cm is 12.
f. There are 14 students each of whom has height more than 154. cm.


The following table shows the daily production of T. V. sets in an industry for 7 days of a week:

Day Mon Tue Wed Thurs Fri Sat Sun
Number of T.V. Sets 300 400 150 250 100 350 200

Represent the above information by a pictograph .


The following data gives the number (in thousands) of applicants registered with an

Year 1995 1996 1997 1998 1999 2000
Number of applicants registered (in thousands) 18 20 24 28 30 34

Construct a bar graph to represent the above data.


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):

Qualifications: MCA
(Master in
Computer
applications)
DCA
(Diploma in Computer Applications)
DCE
(Diploma in Computer Engineering)
CL
(Certificate Level Course)
ST
(Short-term Course)
Personnel Required 40600 181600 18600 670600 1802900

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.


The following data gives the value (in crores of rupees) of the Indian export of cotton textiles for different years:

Years 1982 1983-1984 1984-1985 1985-1986 1986-1987
Value of Export
of Cotton Textiles
(in crores of rupees)
300 325 475 450 550

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.


In a histogram the area of each rectangle is proportional to


The frequency distribution has been represented graphically as follows:

Marks 0 – 20  20 – 40 40 – 60 60 – 100
Number of Students 10 15 20 25


Do you think this representation is correct? Why?


Draw a histogram to represent the following grouped frequency distribution:

Ages (in years) Number of teachers
20 – 24 10
25 – 29 28
30 – 34 32
35 – 39 48
40 – 44 50
45 – 49 35
50 – 54 12

Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×