Survey regarding the heights in (cm) of 51 girls of class X of a schoo

1.	Survey regarding the heights in (cm) of 51 girls of class X of a school wasconducted and the following data was obtained. Find the median height and the mean using the formulae.Height (in cm) Number of GirlsLess than 140 4Less than 145 11Less than 150 29Less than 155 40Less than 160 46Less than 165 51
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