मराठी

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

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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 Exemplar Class 7
पाठ 3 Data Handling
Exercise | Q 27. | पृष्ठ ७४

संबंधित प्रश्‍न

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 following chart gives the growth in height in terms of percentage of full height of boys and girls with their respective ages.

Age (in years) 8 9 10 11 12 13 14 15 16 17

18

Boys 72% 75% 78% 81% 84% 88% 92% 95% 98% 99% 100%
Girls 77% 81% 84% 88% 91% 95% 98% 99% 99.5% 100% 100%

Draw the line graph of above data on the same sheet and answer the following questions.

  1. In which year both the boys and the girls achieve their maximum height?
  2. Who grows faster at puberty (14 years to 16 years of age)?

In a bar graph, bars of uniform width are drawn vertically only.


The following table gives the number of vehicles passing through a toll gate, every hour from 8.00 am. to 1.00 pm:

Time
Interval
8.00
to
9.00
9.00
to
10.00
10.00
to
11.00
11.00
to
12.00
12.00
to
1.00
Number
of vehicles
250 450 300 250 150

Draw a bar graph representing the above data.


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

Prepare a bar graph of the data.


______ can be used to compare two collections of data.


Study the bar graph given below and answer the questions that follow:

  1. What information is depicted from the bar graph?
  2. In which subject is the student very good?
  3. Calculate the average marks of the student.
  4. If 75 and above marks denote a distinction, then name the subjects in which the student got distinction.
  5. Calculate the percentage of marks the student got out of 500.

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

  1. What information is compared in the above given double bar graph?
  2. Calculate the ratio of minimum temperatures in the year 2008 to the year 2009 for the month of November.
  3. For how many months was the minimum temperature in the year 2008 greater than that of year 2009? Name those months.
  4. Find the average minimum temperature for the year 2008 for the four months.
  5. In which month is the variation in the two temperatures maximum?

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

Below is a list of 10 tallest buildings in India.

This list ranks buildings in India that stand at least 150 m (492 ft.) tall, based on standard height measurement. This includes spires and architectural details but does not include antenna marks. Following data is given as per the available information till 2009. Since new buildings are always under construction, go on-line to check new taller buildings.

Use the information given in the table about sky scrapers to answer the following questions:

Name City Height Floors Year
Planet Mumbai 181 m 51 2009
UB Tower Bengaluru 184 m 20 2006
Ashok Towers Mumbai 193 m 49 2009
The Imperial I Mumbai 249 m 60 2009
The Imperial II Mumbai 249 m 60 2009
RNA Mirage Mumbai 180 m 40 2009
Oberoi Woods Tower I Mumbai 170 m 40 2009
Oberoi Woods Tower II Mumbai 170 m 40 2009
Oberoi Woods Tower III Mumbai 170 m 40 2009
MVRDC Mumbai 156 m 35 2002

(a) Find the height of each storey of the three tallest buildings and write them in the following table:

Building Height Number of storeys Height of each storey
       
       
       

(b) The average height of one storey for the buildings given in (a) is ______.

(c) Which city in this list has the largest percentage of skyscrapers? What is the percentage?

(d) What is the range of data?

(e) Find the median of the data.

(f) Draw a bar graph for given data.


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