मराठी

The representation of data with bars of uniform width is called ______. - Mathematics

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प्रश्न

The representation of data with bars of uniform width is called ______.

रिकाम्या जागा भरा
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उत्तर

The representation of data with bars of uniform width is called bar graph.

Explanation:

The representation of the data in the form of rectangles (bars) of uniform width is called a bar graph.

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पाठ 3: Data Handling - Exercise [पृष्ठ ७४]

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एनसीईआरटी एक्झांप्लर Mathematics [English] Class 7
पाठ 3 Data Handling
Exercise | Q 27. | पृष्ठ ७४

संबंधित प्रश्‍न

Read the bar graph (see the given figure) which shows the number of books sold by a bookstore during five consecutive years and answer the questions that follow:

  1. About how many books were sold in 1989? 1990? 1992?
  2. In which year were about 475 books sold? About 225 books sold?
  3. In which years were fewer than 250 books sold?
  4. Can you explain how you would estimate the number of books sold in 1989?

The following table shows the number of Buses and Trucks in nearest lakh units. Draw percentage bar-diagram. (Approximate the percentages to the nearest integer)

Year No. of Trucks No. of Buses
2005-2006 47 9
2007-2008 56 13
2008-2009 60 16
2009-2010 63 18

The bar graph given below represents approximate length (in kilometres) of some National Highways in India.

Study the bar graph and answer the following questions:

Scale: 1 unit length = 200 km

  1. Which National Highway (N.H.) is the longest among the above?
  2. Which National Highway is the shortest among the above?
  3. What is the length of National Highway 9?
  4. Length of which National Highway is about three times the National Highway 10?

The bar graph given below represents the circulation of newspapers in different languages in a town.

Study the bar graph and answer the following questions:

Scale: 1 unit length = 200 Newspapers

  1. What is the circulation of English newspaper?
  2. Name the two languages in which circulation of newspaper is the same.
  3. By how much is the circulation of newspaper in Hindi more than the newspaper in Bengali?

Crop Area of land
(in million hectares)
Rice 50
Wheat 30
Pulses 20
Sugarcane 25
Cotton 15

Prepare a bar graph of the data.


Study the double bar graphs given below and answer the following questions:

  1. Which sport is liked the most by Class VIII students?
  2. How many students of Class VII like Hockey and Tennis in all?
  3. How many students are there in Class VII?
  4. For which sport is the number of students of Class VII less than that of Class VIII?
  5. For how many sports students of Class VIII are less than Class VII?
  6. Find the ratio of students who like Badminton in Class VII to students who like Tennis in Class VIII.

Study the double bar graph shown below and answer the questions that follow:

  1. What information is represented by the above double bar graph?
  2. In which month sales of Brand A decreased as compared to the previous month?
  3. What is the difference in sales of both the Brands for the month of June?
  4. Find the average sales of Brand B for the six months.
  5. List all months for which the sales of Brand B was less than that of Brand A.
  6. Find the ratio of sales of Brand A as compared to Brand B for the month of January.

The following table shows the average intake of nutrients in calories by rural and urban groups in a particular year. Using a suitable scale for the given data, draw a double bar graph to compare the data.

Foodstuff Rural Urban
Pulses 35 49
Leafy vegetables 14 21
Other vegetables 51 89
Fruits 35 66
Milk 70 250
Fish and flesh floods 10 22
Fats and Oils 9 35
Sugar/Jaggery 19 31

Observe the following data:

Government School, Chandpur
Daily Attendance   Date: 15.4.2009
Class Total Students Number of Students
Present on that Day
VI 90 81
VII 82 76
VIII 95 91
IX 70 65
X 63 62
  1. Draw a double bar graph choosing an appropriate scale. What do you infer from the bar graph?
  2. Which class has the maximum number of students?
  3. In which class, the difference of total students and number of students present is minimum?
  4. Find the ratio of number of students present to the total number of students of Class IX.
  5. What per cent of Class VI students were absent?

The table below gives the data of tourists visiting 5 hill stations over two consecutive years. Study the table and answer the questions that follow:

Hill stations Nainital Shimla Manali Mussoorie Kullu
2008 4000 5200 3700 5800 3500
2009 4800 4500 4200 6200 4600
  1. Draw a double bar graph to depict the above information using appropriate scale.
  2. Which hill station was visited by the maximum number of tourists in 2008?
  3. Which hill station was visited by the least number of tourists in 2009?
  4. In which hill stations was there increase in number of tourists in the year 2009?

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