The heights (in cm) of 9 students of a class are
148, 144, 152, 155, 160, 147, 150, 149, 145.
Find the median height.

150

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147

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149

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152

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Solution

The correct option is C
149

Arranging the heights in ascending order.

144, 145, 147, 148, 149, 150, 152, 155, 160

There are 9 students, hence the median height will be that of the fifth student i.e., 149 cm.

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A survey of heights (in cm) of 51 girls of class X of a school was conducted and the following data was obtained. Find the median height.

$\begin{matrix} H E I G H T (I N C M) & N U M B E R O F G I R L S B E L O W 140 & 4 140 - 145 & 7 145 - 150 & 18 150 - 155 & 11 155 - 160 & 6 160 - 165 & 5 \end{matrix}$

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Height ( $cm$ )	$141$	$142$	$144$	$145$	$148$	$150$
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Find the mode of the height.

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The heights (in cm) of 9 students of a class are 148, 144, 152, 155, 160, 147, 150, 149, 145. Find the median height.

The correct option is C 149 Arranging the heights in ascending order. 144, 145, 147, 148, 149, 150, 152, 155, 160 There are 9 students, hence the median height will be that of the fifth student i.e., 149 cm.

The heights (in cm) of 9 students of a class are
148, 144, 152, 155, 160, 147, 150, 149, 145.
Find the median height.

The correct option is C
149

Arranging the heights in ascending order.

144, 145, 147, 148, 149, 150, 152, 155, 160

There are 9 students, hence the median height will be that of the fifth student i.e., 149 cm.