The following table gives the distribution of students of two sections according the marks obtained by them:
Represent the marks of the students of both the sections on the same graph by two frequency polygons. From the two polygons compare the performance of the two sections.

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Solution

$M a r k s$ $C l a s s - m a r k$ $S e c t i o n A f r e q u e n c y$ $S e c t i o n B f r e q u e n c y$
$0 - 10$ $5$ $3$ $5$
$10 - 20$ $15$ $9$ $19$
$20 - 30$ $25$ $17$ $15$
$30 - 40$ $35$ $12$ $10$
$40 - 50$ $45$ $9$ $1$
Since, in the graph section $A$ is to the right of section $B$ , more students of section $A$ has highest marks.

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Question 6
The following table gives the distribution of students of two sections according to the marks obtained by them:
$\begin{matrix} Section A & Section B Marks & Frequency & Marks & Frequency 0 - 10 & 3 & 0 - 10 & 5 10 - 20 & 9 & 10 - 20 & 19 20 - 30 & 17 & 20 - 30 & 15 30 - 40 & 12 & 30 - 40 & 10 40 - 50 & 9 & 40 - 50 & 1 \end{matrix}$
Represent the marks of the students of both the sections on the same graph by two frequency polygons. From the two polygons compare the performance of the two sections.

The following table gives the distribution of students of two sections according to the mark obtained by them:

Section A

Section B

Marks

Frequency

Marks

Frequency

0 − 10

10 − 20

20 − 30

30 − 40

40 − 50

0 − 10

10 − 20

20 − 30

30 − 40

40 − 50

Represent the marks of the students of both the sections on the same graph by two frequency polygons. From the two polygons compare the performance of the two sections.

Q. Question 6
The following table gives the distribution of students of two sections according to the marks obtained by them:

\begin{matrix} S e c t i o n A & S e c t i o n B M a r k s & F r e q u e n c y & M a r k s & F r e q u e n c y 0 - 10 & 3 & 0 - 10 & 5 10 - 20 & 9 & 10 - 20 & 19 20 - 30 & 17 & 20 - 30 & 15 30 - 40 & 12 & 30 - 40 & 10 40 - 50 & 9 & 40 - 50 & 1 \end{matrix}

Represent the marks of the students of both the sections on the same graph by two frequency polygons. From the two polygons compare the performance of the two sections.

Q. Following table gives the distribution of students of sections A and B of a class according to the marks obtained by them.

\begin{matrix} Section A & Section B Marks & Frequency & Marks & Frequency 0 - 15 & 5 & 0 - 15 & 3 15 - 30 & 12 & 15 - 30 & 16 30 - 45 & 28 & 30 - 45 & 25 45 - 60 & 30 & 45 - 60 & 27 60 - 75 & 35 & 60 - 75 & 40 75 - 90 & 13 & 75 - 90 & 10 \end{matrix}

Represent the marks of the students of both the sections on the same graph by two frequency polygons. What do you observe?

Question 9
Following table gives the distribution of students of sections A and B of a class according to the marks obtained by them.

$\begin{matrix} Section A & Section B Marks & Frequency & Marks & Frequency 0 - 15 & 5 & 0 - 15 & 3 15 - 30 & 12 & 15 - 30 & 16 30 - 45 & 28 & 30 - 45 & 25 45 - 60 & 30 & 45 - 60 & 27 60 - 75 & 35 & 60 - 75 & 40 75 - 90 & 13 & 75 - 90 & 10 \end{matrix}$

Represent the marks of the students of both the sections on the same graph by two frequency polygons. What do you observe?

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$M a r k s$	$C l a s s - m a r k$	$S e c t i o n A f r e q u e n c y$	$S e c t i o n B f r e q u e n c y$
$0 - 10$	$5$	$3$	$5$
$10 - 20$	$15$	$9$	$19$
$20 - 30$	$25$	$17$	$15$
$30 - 40$	$35$	$12$	$10$
$40 - 50$	$45$	$9$	$1$

The following table gives the distribution of students of two sections according the marks obtained by them:Represent the marks of the students of both the sections on the same graph by two frequency polygons. From the two polygons compare the performance of the two sections.

Marks Class−mark SectionAfrequency SectionBfrequency 0−10 5 3 5 10−20 15 9 19 20−30 25 17 15 30−40 35 12 10 40−50 45 9 1 Since, in the graph section A is to the right of section B, more students of section A has highest marks.

The following table gives the distribution of students of two sections according the marks obtained by them:
Represent the marks of the students of both the sections on the same graph by two frequency polygons. From the two polygons compare the performance of the two sections.