In a class, following were the marks obtained by 20 students in a maths test.
20, 40 ,50 ,20 , 60 , 50 ,100, 20, 50, 100, 40, 60, 100, 50, 20 ,60, 100 , 50, 40 , 20. Make a frequency distribution table. [2 MARKS]

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Solution

Table: 2 Marks

$\begin{matrix} M a r k s & N u m b e r o f s t u d e n t s 20 & 5 40 & 3 50 & 5 60 & 3 100 & 4 \end{matrix}$

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Similar questions

80, 10, 30, 70, 60, 50, 50, 40, 40, 20, 40, 90, 50, 30, 70, 10, 60, 50, 20, 70, 70, 30, 80, 40, 20, 80, 90,

50, 80, 60, 70, 40, 50, 60, 90, 60, 40, 40, 60

60

100

Marks	$10 - 20$	$20 - 30$	$30 - 40$	$40 - 50$
Frequency	$10$	$15$	$25$	$50$

80, 10, 30, 70, 60, 50, 50, 40, 40, 20, 40, 90, 50, 30, 70, 10, 60, 50, 20, 70, 70, 30, 80, 40, 20, 80,

90, 50, 80, 60, 70, 40, 50, 60, 90, 60, 40, 40, 60

60

40

100

Marks	$0 - 10$	$10 - 20$	$20 - 30$	$30 - 40$	$40 - 50$	$50 - 60$	$60 - 70$	$70 - 80$
Number of students	$5$	$10$	$15$	$20$	$25$	$12$	$8$	$5$

Find the missing frequency in the following distribution if $N = 100$ and median is $32$

Marks	0-10	10-20	20-30	30-40	40-50	50-60	Total
No. of students	10	?	25	30	?	10	100

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