The marks distribution of students in a class is as follows: Marks Number of Students

80 - 100 5

60 - 80 20

40 - 60 10

0 - 40 3

Is it possible to plot bar graph using the given data? Answer in Yes/No.


80 - 100	5
60 - 80	20
40 - 60	10
0 - 40	3

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Solution

The given data is a grouped frequency table, and hence precise data points can not be extracted from it.

$∴$ It is not possible to plot a bar graph with the given data.

The reason behind the argument is that the number of students with marks exactly equal to 80 is considered in the group 80 - 100 marks and in the group 60- 80 marks.

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Similar questions

250 students of class X of a school appeared in a test of 100 marks and the data about the marks secured is as below.

$\begin{matrix} M a r k s S e c u r e d & 0 - 20 & 20 - 40 & 40 - 60 & 60 - 80 & 80 - 100 N u m b e r o f s t u d e n t s & 20 & 35 & 65 & 60 & 70 \end{matrix}$

Q. In a class test, 50 students obtained marks as follows:

Marks obtained	0−20	20−40	40−60	60−80	80−100
Number of students	4	6	25	10	5

Find the modal class and the median class. [CBSE 2014]

Q. The marks obtained by

50

students of class

10

out of

80

marks are given in the following frequency distribution. Find the median.

Class	$0 - 10$	$10 - 20$	$20 - 30$	$30 - 40$	$40 - 50$	$50 - 60$	$60 - 70$	$70 - 80$
Frequency	$2$	$5$	$8$	$16$	$9$	$5$	$3$	$2$

Q. The marks scored by students in Mathematics in a certain examination are given below:

Marks Scored	Number of Students
$0 - 20$	$3$
$20 - 40$	$8$
$40 - 60$	$15$
$60 - 80$	$17$
$80 - 100$	$7$

Draw histogram for the above data.

Q. From the following data, compute median:

Marks	0−10	10−20	20−40	40−60	60−80	80−100
No. of Students	8	10	22	25	10	5

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The marks distribution of students in a class is as follows: Marks Number of Students 80 - 100 5 60 - 80 20 40 - 60 10 0 - 40 3 Is it possible to plot bar graph using the given data? Answer in Yes/No.

The marks distribution of students in a class is as follows: Marks Number of Students

80 - 100 5

60 - 80 20

40 - 60 10

0 - 40 3

Is it possible to plot bar graph using the given data? Answer in Yes/No.