Question

The height of 5 persons are 150 cm, 160 cm, 140cm, 175 cm, 155 cm. Find the mean height. Also find the number of persons whose height is below the mean height.​

Answer 1

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Answer 2

Given:-

• The height of 5 persons are 150 cm, 160 cm, 140cm, 175 cm, 155 cm.

To Find:-

• Find the mean height. Also find the number of persons whose height is below the mean height.

Solution:-

${ \red{ \sf{ \pink{Mean = \frac{sum \: of \: the \: height \: of \: persons}{no. \: of \: persons}}}} }$

${ \red{ \sf{ \pink{Mean = \frac{150+160+140+175+155}{5}}}} }$

${ \red{ \sf{ \pink{Mean = \frac{780}{5}}}} }$

${ \red{ \sf{ \pink{Mean = \cancel\frac{780}{5}}}} }$

${ \red{ \sf{Mean = 156}}}$