हिंदी

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

Advertisements
Advertisements

प्रश्न

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
सारिणी
आलेख
Advertisements

उत्तर

The given table is in exclusive form.

So, first convert it into an exclusive form, as given below:

Ages (in years) Number of teachers
19.5 – 24.5 10
24.5 – 29.5 28
29.5 – 34.5 32
34.5 – 39.5 48
39.5 – 44.5 50
44.5 – 49.5 35
49.5 – 54.5 12

A histogram for this table is shown in the figure given below:

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 14: Statistics & Probability - Exercise 14.4 [पृष्ठ १४७]

APPEARS IN

एनसीईआरटी एक्झांप्लर Mathematics Exemplar [English] Class 9
अध्याय 14 Statistics & Probability
Exercise 14.4 | Q 4. | पृष्ठ १४७

वीडियो ट्यूटोरियलVIEW ALL [2]

संबंधित प्रश्न

A random survey of the number of children of various age groups playing in a park was found as follows:

Age (in years) Number of children
1 - 2 5
2 - 3 3
3 - 5 6
5 - 7 12
7 - 10 9
10 - 15 10
15 - 17 4

Draw a histogram to represent the data above.


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 - 71?
(iii) What is the difference between the maximum and minimum production of rice?

 


Read the bar graph given in Fig. 23.19 and answer the following questions:
(i) What information is given by the bar graph?

(ii) In which years the areas under the sugarcane crop were the maximum and the minimum?
(iii) State whether true or false:
The area under the sugarcane crop in the year 1982 - 83 is three times that of the year 1950 - 51


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 population of Delhi State in different census years is as given below:
 

Census year 1961 1971 1981 1991 2001
Population in Lakhs 30 55 70 110 150

The following tables gives the quantity of goods (in crore tonnes)

Year 1950-51 1960-61 1965-66 1970-71 1980-81 1982-83
Quantity of Goods
(in crore tonnes)
9   16 20 20 22 26
Represent this information with the help of a bar graph.
Explain through the bar graph if the quantity of goods carried by the Indian Railways in 1965-66 is more than double the quantity of goods carried in the year 1950-51.

In a histogram the class intervals or the group are taken along


Manoj appeared for ICSE examination 2018 and secured percentage of marks as shown in the following table:

Subject Hindi English Maths Science Social Study
Marks as percent 60 45 42 48 75

Represent the above data by drawing a suitable bar graph.


The birth rate thousand of the following states over a certain period is given below:

States Punjab Haryana U.P. Gujarat Rajasthan Jammu and Kashmir
Birth Rate (per thousand ) 22.9 21.8 19.5 21.1 23.9 18.3

Draw a bar graph for the above data.


In a diagnostic test in mathematics given to students, the following marks (out of 100) are recorded:

46, 52, 48, 11, 41, 62, 54, 53, 96, 40, 98, 44

Which ‘average’ will be a good representative of the above data and why?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×