Find the median Find the mode of the following data- - xi 10 14 18 21 25- fi 10 15 7 9 9- -

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Standard IX

Mathematics

Median

Find the medi...

Question

Find the median

Find the mode of the following data.
$\begin{matrix} x_{i} & 10 & 14 & 18 & 21 & 25 f_{i} & 10 & 15 & 7 & 9 & 9 \end{matrix}$

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Solution

There are 50 observations. So the median is the average of the 25^th and 26^th observations. The 25^th observation is 14 and the 26^th is 18. Thus, the median is 16.

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Find the median

Find the mode of the following data.
$\begin{matrix} x_{i} & 10 & 14 & 18 & 21 & 25 f_{i} & 10 & 15 & 7 & 9 & 9 \end{matrix}$

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Find the median Find the mode of the following data. xi1014182125fi1015799

There are 50 observations. So the median is the average of the 25th and 26th observations. The 25th observation is 14 and the 26th is 18. Thus, the median is 16.

Find the median

Find the mode of the following data.
$\begin{matrix} x_{i} & 10 & 14 & 18 & 21 & 25 f_{i} & 10 & 15 & 7 & 9 & 9 \end{matrix}$

There are 50 observations. So the median is the average of the 25^th and 26^th observations. The 25^th observation is 14 and the 26^th is 18. Thus, the median is 16.