Class Interval
Cumulative Frequency
10-19
8
20-29
19
30-39
23
40-49
30
Construct a frequency distribution table from the following cumulative frequency distribution $:$

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Solution

The correct option is A
8
11
4
7

$\Rightarrow$ The frequency distribution table are as follows :
$C l a s s I n t e r v a l$ $C u m u l a t i v e F r e q u e n c y$ $F r e q u e n c y$
$10 - 19$ $8$ $8$
$20 - 29$ $19$ $19 - 8 = 11$
$30 - 39$ $23$ $23 - 19 = 4$
$40 - 49$ $30$ $30 - 23 = 7$

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Similar questions

\begin{matrix} Class Interval & Cumulative Frequency 10 - 19 & 8 20 - 29 & 19 30 - 39 & 23 40 - 49 & 30 \end{matrix}

\begin{matrix} Class Interval & Cumulative Frequency 5 - 10 & 18 10 - 15 & 30 15 - 20 & 46 20 - 25 & 73 25 - 30 & 90 \end{matrix}

Class	$0 - 10$	$10 - 20$	$20 - 30$	$30 - 40$	$40 - 50$
Frequency	$2$	$3$	$7$	$8$	$5$

Class Interval	0−9	10−19	20−29	30−39	40−49	50−59	60−69
Frequency	5	15	20	23	17	11	9

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

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