The height of 5 students (in cm) are as below.
{140, 145, 130, 135, 150}
Their mean value is .

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Solution

The correct option is B 5
$Mean = \frac{S u m o f a l l o b s e r v a t i o n s}{T o t a l n u m b e r o f o b s e r v a t i o n s}$

$= \frac{140 + 145 + 130 + 135 + 150}{5} = \frac{700}{5} = 140 c m$

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The height of 5 students (in cm) are as below. {140, 145, 130, 135, 150} Their mean value is .

The correct option is B 5Mean=Sum of all observationsTotal number of observations =140+145+130+135+1505=7005=140 cm

The height of 5 students (in cm) are as below.
{140, 145, 130, 135, 150}
Their mean value is .

The correct option is B 5
$Mean = \frac{S u m o f a l l o b s e r v a t i o n s}{T o t a l n u m b e r o f o b s e r v a t i o n s}$

$= \frac{140 + 145 + 130 + 135 + 150}{5} = \frac{700}{5} = 140 c m$