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तमिलनाडु बोर्ड ऑफ सेकेंडरी एज्युकेशनएसएसएलसी (अंग्रेजी माध्यम) कक्षा ८

Draw a histogram and the frequency polygon in the same diagram to represent the following data Weight (in kg) 50 − 55 56 − 61 62 − 67 68 − 73 74 − 79 80 − 85 86 − 91 No. of persons 15 8 12 17 9 10 6 - Mathematics

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प्रश्न

Draw a histogram and the frequency polygon in the same diagram to represent the following data

Weight (in kg) 50 − 55 56 − 61 62 − 67 68 − 73 74 − 79 80 − 85 86 − 91
No. of persons 15 8 12 17 9 10 6
आलेख
योग
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उत्तर

The given distribution is discontinuous.

Lower boundary = lower limit – `1/2` ...(gap between the adjacent class interval)

= `50 - 1/2` (1) = 49.5

Upper boundary = Upper limit + `1/2` ...(gap between the adjacent class interval)

= `55 + 1/2` (1) = 55.5

∴ The continuous frequency table is as below.

Weight (in kg) 49.5 − 55.5 55.5 − 61.5 61.5 − 67.5 67.5 − 73.5 73.5 − 79.5 79.5 − 85.5 85.5 − 91.5
No. of persons 15 8 12 17 9 10 6

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  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 6: Statistics - Exercise 6.3 [पृष्ठ २३०]

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सामाचीर कलवी Mathematics [English] Class 8 TN Board
अध्याय 6 Statistics
Exercise 6.3 | Q 4 | पृष्ठ २३०

संबंधित प्रश्न

The marks scored by students in Mathematics in a certain Examination are given below:

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20 — 40 8
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80 — 100 6

Draw histogram for the above data.


Draw a histogram to represent the following data:

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5600−5700 8
5700−5800 4
5800−5900 3
5900−6000 5
6000−6100 2
6100−6200 3
6200−6300 1
6300−6400 2

The following histogram shows the number of literate females in the age group of 10 to 40 years in a town:

(i) Write the age group in which the number of literate female is the highest.
(ii) What is the class width?
(iii) What is the lowest frequency?
(iv) What are the class marks of the classes?
(v) In which age group literate females are the least?


Below is the histogram depicting marks obtained by 43 students of a class:
(i) Write the number of students getting the highest marks.
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The marks obtained by 50 students in Mathematics are given below.

(i) Make a frequency distribution table taking a class size of 10 marks

(ii) Draw a histogram and a frequency polygon.

52 33 56 52 44 59 47 61 49 61
47 52 67 39 89 57 64 58 63 65
32 64 50 54 42 48 22 37 59 63
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Show the following data by a frequency polygon:

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