A survey regarding the heights in (cm) of 51 girls of class X of a school was
conducted and the following data was obtained. Find the
the mean using the formulae.
Height (in cm)
Less than 140
Less than 145
Less than 150
Less than 155
Less than 160
Less than 165
Number of Girls
4
14
29
40
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Pls provide the data of the height and then I will answer the question....:-)
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