Find the median iof the following data-begin array -c- c-c- c-c- c-c- c-c- hlinelend array

We will first convert the cumulative frequencies into simple frequencies. [ Age (in years) amp; No. Of person(F) amp; c.f.; ...

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Standard XI

Statistics

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Find the medi...

Question

Find the median iof the following data:
$\begin{matrix} Age greater than (in years) & 0 & 10 & 20 & 30 & 40 & 50 & 60 & 70 No of person & 230 & 218 & 200 & 165 & 123 & 73 & 28 & 8 \end{matrix}$

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Solution

We will first convert the cumulative frequencies into simple frequencies.
$\begin{matrix} Age (in years) & No. Of person(F) & c.f. 0 - 10 & 12 & 12 10 - 20 & 18 & 30 20 - 30 & 35 & 65 30 - 40 & 42 & 107 40 - 50 & 157 & 157 50 - 60 & 45 & 202 \end{matrix}$

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Find the median iof the following data: Age greater than (in years)010203040506070No of person23021820016512373288

We will first convert the cumulative frequencies into simple frequencies. Age (in years)No. Of person(F)c.f.0−10121210−20183020−30356530−404210740−5015715750−6045202

Find the median iof the following data:
$\begin{matrix} Age greater than (in years) & 0 & 10 & 20 & 30 & 40 & 50 & 60 & 70 No of person & 230 & 218 & 200 & 165 & 123 & 73 & 28 & 8 \end{matrix}$

We will first convert the cumulative frequencies into simple frequencies.
$\begin{matrix} Age (in years) & No. Of person(F) & c.f. 0 - 10 & 12 & 12 10 - 20 & 18 & 30 20 - 30 & 35 & 65 30 - 40 & 42 & 107 40 - 50 & 157 & 157 50 - 60 & 45 & 202 \end{matrix}$