The heights of $6$ boys in a group are $142$ cm, $154$ cm, $146$ cm, $145$ cm, $151$ cm and $150$ cm. Find the mean height per boy

122

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148

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156

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173

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Solution

The correct option is D $148$ cm
Mean height $= \frac{Sum of the height of the all boys}{No. of boys}$
$= \frac{142 + 154 + 146 + 145 + 151 + 150}{6}$
$= \frac{888}{6} = 148$ cm
Hence, the mean height is $148$ cm.

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