From the following cumulative frequency table, estimate:

(i) The median

(ii) The semi-interquartile range.

Median = Rs 62, Semi – interquartile range = 20

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Median = Rs 50, Semi – interquartile range = 15

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Median = Rs 50, Semi – interquartile range = 20

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Median = Rs 62, Semi – interquartile range = 15

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Solution

The correct option is A
Median = Rs 62, Semi – interquartile range = 20

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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 Marks	$10$	$22$	$34$	$46$	$58$	$70$
Frequency	$6$	$14$	$20$	$21$	$9$	$5$

:

Marks	$100$	$50$	$60$
Students	$4$	$5$	$10$

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