Prepare the cumulative frequency (less than type) table from the following distribution table
Class $0 - 10$ $10 - 20$ $20 - 30$ $30 - 40$ $40 - 50$
Frequency $2$ $3$ $7$ $8$ $5$

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Solution

Class Frequency Cumulative Frequency
(less than type)
$0 - 10$ $2$ $2$
$10 - 20$ $3$ $5$
$20 - 30$ $7$ $12$
$30 - 40$ $8$ $20$
$40 - 50$ $5$ $25$

Total
$25$

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Runs	$0 - 10$	$10 - 20$	$20 - 30$	$30 - 40$	$40 - 50$
No of cricketers	$3$	$8$	$19$	$25$	$30$

Construct a frequency distribution table for the following distributions:

Marks (less than) | 0 | 10 | 20 | 30 | 40 | 50

Cumulative frequency | 0 | 7 | 28 | 54 | 71 | 84

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Class	Frequency	Cumulative Frequency (less than type)
$0 - 10$	$2$	$2$
$10 - 20$	$3$	$5$
$20 - 30$	$7$	$12$
$30 - 40$	$8$	$20$
$40 - 50$	$5$	$25$
Total	$25$