Question

3.
Given below are heights of 15 boys of a class measured in cm:
128, 144, 146, 143, 136, 142, 138, 129, 140, 152, 144, 140, 150,142, 154.
Find:
(a) The height of the tallest boy.
(b) The height of the shortest boy.
(c) The range of the given data.
(d) The median height of the boys.​

Answer 1

Answer

(a) The height of the tallest boy is 154.

(b) The height of shortest boy is 128.

(c) Range = Highest value - lowest value

= 154-128

=26

(d) Medium = Arrange the values in ascending order

128,129,136,138,140,142,142,143,144,144,146,146,152,

154

Find the middle value

=142+143/2

=285/2

=142.5

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