Bar Graphs

Q.

Question 3 (i)
Given below are the seats won by different political parties in the polling outcome of a state assembly elections:
$\begin{array}{ccccccc}\text{Political Party}& A& B& C& D& E& F\\ \text{Seats Won}& 75& 55& 37& 29& 10& 37\end{array}$
(i) Draw a bar graph to represent the polling results.

Q.

The following table shows the number of students participating in various games in a school.
$\begin{array}{ccccc}\text{Game}& \text{Cricket}& \text{Football}& \text{Basketball}& Tennis\\ \text{Number of students}& 27& 36& 18& 12\end{array}$
Draw a bar graph to represent the above data.

Q.

Which one of the following is not the graphical representation of statistical data:

(a) Bar graph

(b) Histogram

(c) Frequency polygon

(d) Cumulative frequency distibution

Q. Question 6
The expenditure of a family of different heads in a month is given below.

$\begin{array}{ccccccc}Head& Food& Education& Clothing& House& Others& Savings\\ & & & & rent& & \\ Expenditure(Rs.)& 4000& 2500& 1000& 3500& 2500& 1500\end{array}$

Draw a bar graph to represent the data above.

Q.

Look at the bar graph given below.

Read it carefully and answer the following questions.
(i) What information does the bar graph give?
(ii) In which subject is the student very good?
(iii) In which subject is he poor?
(iv) What is the average of his marks?

Q.

On a certain by, the temperature in a city was recorded as under:
$\begin{array}{cccccc}\text{Time}& 5a.m.& 8a.m.& 11a.m.& 3p.m.& 6p.m\\ \text{Temperature}i{n}^{\circ }C& 20& 24& 26& 22& 18\end{array}$
Illustrate the data by a bar graph.

Q.

Is it mandatory to use the kink or jagged line only in histogram? Can I use it on a bar graph? Also can I use it on Y Axis of histogram and bar graph?

Q.

Various modes of transport used by 1850 students of a school are given below:
$\begin{array}{ccccc}\text{School bus}& \text{Private bus}& \text{Bicycle}& \text{Rickshaw}& \text{By foot}\\ 640& 360& 490& 210& 150\end{array}$
Draw a bar graph to represent the above data.

Q. 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?

Q.

The population of students of four major cities in India in a particular year is given below:

Choose the correct representation of the bar graph to represent the above data

1. 

2. 

3. 

4. 

Q. Which one of the following is not the graphical representation of statistical data:

(a) Bar graph

(b) Histogram

(c) Frequency polygon

(d) Cumulative frequency distribution

Q. The bar graph shown in Fig. 23.16 represents the circulation of newspapers in 10 languages.
Study the bar graph and answer the following questions:



(i) What is the total number of newspapers published in Hindi, English, Urdu, Punjabi and Bengali?

(ii) What percent is the number of newspapers published in Hindi of the total number of newspaper?

(iii) Find the excess of the number of newspapers published in English over those published in Urdu.

(iv) Name two pairs of languages which publish the name number of newspapers.

(v) State the language in which the smallest number of newspapers are published.

(vi) State the language in which the largest number of newspapers are published.

(vii) State the language in which the number of newspapers published is between 2500 and 3500.

(viii) State whether true or false:
(a) The number of newspapers published in Malayalam and Marathi together is less than those published in English.
(b) The number of newspapers published in Telugu is more than those published in Tamil.

Q. Some children were asked about their favourite ice cream flavour. The answers were recorded as follows: Choose the graph that reflects the given information correctly:

Favourite Flavour	Mango	Vanilla	Chocolate	Strawberry
No. of children	8	12	28	4

1. 
2. 
3. 
4. 

Q.

The following bar graph 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 numbe students have their heights more than cm?
(ii) How many students in the class are in range of maximum height of the class?
(iii) The school wants to provide a partictilai type of tonic to each student below he height of 150 CM to improve his height the cost of the tonic for each student comes out to be Rs. 55, how much amount o money is required?
(iv) How many students are in the range 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 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 havin their heights less than 150 cm is 12.
(f) There are 14 students each of whom has height more than 154 cm.

Q. The production of oil (in lakh tonnes) in some of the refineries in India during 1982 was given below:

Refinery:	Barauni	Koyali	Mathura	Mumbai	Florida
Production of oil (in lakh tonnes)	30	70	40	45	25

Construct a bar graph to represent the above data so that the bars are drawn horizontally.

Q. Read the following bar graph and answer the following questions:

(i) What information is given by the bar graph?

(ii) In which year the export is minimum?

(iii) In which year the import is maximum?

(iv) In which year the difference of the values of export and import is maximum?

Q. The following data gives the production of foodgrains (in thousand tonnes) for some years:

Year	1995	1996	1997	1998	1999	2000
Production (in thousand tonnes	120	150	140	180	170	190

Represent the above with the help of a bar graph.

Q.

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?

Q. Read the bar graph shown in Fig. 23.8 and answer the following questions:


(i) What is the information given by the bar graph?

(ii) How many tickets of Assam State Lottery were sold by the agent?

(iii) Of which state, were the maximum number of tickets sold?

(iv) State whether true or false.

(v) Of which state were the minimum number of tickets sold?

Q.

The following table gives tha number of students in class IX in a school during the academic years 19996-1997 to 2000-2001

Which of the following bar graph shows the correct representation of this data?

1. 

2. 

3. 

4. 

Q.

Question 10
The distribution of heights (in cm) of 96 children is given below.
$\begin{array}{cc}Height\left(incm\right)& Numberofchildren\\ 124-128& 5\\ 128-132& 8\\ 132-136& 17\\ 136-140& 24\\ 140-144& 16\\ 144-148& 12\\ 148-152& 6\\ 152-156& 4\\ 156-160& 3\\ 160-164& 1\end{array}$
Draw a less than type cumulative frequency curve for this data and use it to compute median height of the children.

Q. In the given bar graph, if the maximum marks for each subject is 50, then the percentage obtained by the students is

1. 60 %
2. 70 %
3. 75 %
4. 80 %

Q.

A graphical representation of a frequency distribution in the form of rectangles with class interval as bases and heights proportional to corresponding frequencies such that there is no gap between any two successive rectangles is called a

1. Pie chart

2. Bar graph

3. Histogram

4. Frequency polygon

Q. 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.

Q.

The bar graph represents the number of persons in various age groups in a town. The total population of the town is

1. 1300

2. 2700

3. 6700

4. 1400

Q. Read the bar graph given in Fig. 23.17 and answer the following questions:

(i) What information is given by the bar graph?

(ii) What was the crop-production of rice in 1970-1971?

(iii) What is the difference between the maximum and minimum production of rice?

Q.

Read the bar graph given in figure and answer the following questions:
(i) What information is given in by the bar graph?
(ii) What was the crop-production if rice in 1970-71?
(iii) What is the difference between the maximum and minimum production of rice?

Q.

The given table shows number of students in a class.

Which of the following bar graph represents the data correctly?

The graph drawn are based on the following information.
Here the horizontal axis is x-axis which represents class and vertical axis is y-axis which represents number of children. The scale is x-axis 1 cm = 1 class and y-axis 1 cm = 10 children.

1. 

2. 

3. 

4. 

Q. Read the bar graph given in Fig. 23.21 and answer the following questions:

(i) What is the information given by the bar graph?

(ii) What is the number of families having 6 members?

(iii) How many members per family are there in the maximum number of families? Also tell the number of such families.

(iv) What are the number of members per family for which the number of families are equal? Also, tell the number of such families?

Q.

Following bar chart represents the number of childern in a family

What is the maximum number of children in a family ?

1. 5

2. 6

3. 3

4. 4