Draw frequency polygon of the following data:
Marks 0-10 10-20 20-30 30-40 40-50
Number of students 5 10 12 13 15

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Solution

$M a r k s$ $M i d - v a l u e$
$(M a r k s)$ $N u m b e r o f s t u d e n t s$
Less than $0$ $0$ $0$
$0 - 10$ $5$ $5$
$10 - 20$ $15$ $10$
$20 - 30$ $25$ $12$
$30 - 40$ $35$ $13$
$40 - 50$ $45$ $15$
More than $50$ $0$ $0$

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Similar questions

Marks	0-10	10-20	20-30	30-40	40-50	50-60	60-70	70-80	80-90	90-100
Number of students	5	4	6	8	5	7	4	9	5	7

50

Marks	0-10	10-20	20-30	30-40	40-50
Number of students	7	10	15	8	10

Class Interval	0-10	10-20	20-30	30-40	40-50	50-60
Frequency	12	20	26	18	10	6

Marks:	0-10	10-20	20-30	30-40	40-50	50-60
Number of students:	7	10	23	51	6	3

\begin{matrix} Marks & 0 - 10 & 10 - 20 & 20 - 30 & 30 - 40 & 40 - 50 & 50 - 60 Number of students & 6 & 8 & 14 & 16 & 4 & 2 \end{matrix}

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