Q25 of 174 Page 597

The weight of 10 students (in kgs) are

55, 40, 35, 52, 60, 38, 36, 45, 31, 44


The median weight is

Arrange the weights in ascending order, we get,


31, 35, 36, 38, 40, 44, 50, 52, 55, 60


Here, N = 10 (even)


Hence,


Mean weight = value of


=


⇒ Mean weight


∴ Mean weight = 42 kg

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