हिंदी

Read the Following Bar Graph and Answer the Following Questions(I) What is the Information Given by the Bar Graph? (Ii) State Each of the Following Whether True Or False.

Advertisements
Advertisements

प्रश्न

Read the following bar graph (Fig. 23.12) and answer the following questions:
(i) What is the information given by the bar graph?
(ii) State each of the following whether true or false.
a. The number of government companies in 1957 is that of 1982 is 1 :9.
b. The number of government companies have decreased over the year 1957 to 1983.

संक्षेप में उत्तर
Advertisements

उत्तर

(i) The given Bar graph represents the number of government companies in india during some years.

(ii) (a) no. of government companies in 1957=50
Number of government companies in 1982=375
∴ The number of government companies in 1957 is that of 1982 = `50/375 = 2/15 ≠ 1/9`

So, the given statement is false
(b) The height of the bars increases over the years hence, the statement is false.

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 23: Graphical Representation of Statistical Data - Exercise 23.1 [पृष्ठ १०]

APPEARS IN

आर.डी. शर्मा Mathematics [English] Class 9
अध्याय 23 Graphical Representation of Statistical Data
Exercise 23.1 | Q 8 | पृष्ठ १०

वीडियो ट्यूटोरियलVIEW ALL [2]

संबंधित प्रश्न

The runs scored by two teams A and B on the first 60 balls in a cricket match are given below:

Number of balls Team A Team B
1 - 6 2 5
7 - 12 1 6
13 - 18 8 2
19 - 24 9 10
25 - 30 4 5
31 - 36 5 6
37 - 42 6 3
43 - 48 10 4
49 - 54 6 8
55 - 60 2 10

Represent the data of both the teams on the same graph by frequency polygons.

[Hint: First make the class intervals continuous.]


Explain the reading and interpretation of bar graphs.


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 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.


The time taken, in seconds, to solve a problem by each of 25 pupils is as follows:
16, 20, 26, 27, 28, 30, 33, 37, 38, 40, 42, 43, 46, 46, 46, 48, 49, 50, 53, 58, 59, 60, 64, 52, 20
(a) Construct a frequency distribution for these data, using a class interval of 10 seconds.
(b) Draw a histogram to represent the frequency distribution.


Construct a combined histogram and frequency polygon for the following frequency distribution:

Class-Intervals 10 - 20 20 - 30 30 - 40 40 - 50 50 - 60
Frequency 3 5 6 4 2

A hundred students from a certain locality use different modes of travelling to school as given below. Draw a bar graph.

Bus  Car Rickshaw Bicycle Walk
32 16 24 20 8

In the following figure, there is a histogram depicting daily wages of workers in a factory. Construct the frequency distribution table.


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

The lengths of 62 leaves of a plant are measured in millimetres and the data is represented in the following table:

Length (in mm) Number of leaves
118 – 126 8
127 – 135 10
136 – 144 12
145 – 153 17
154 – 162 7
163 – 171 5
172 – 180 3

Draw a histogram to represent the data above.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×