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The heights (in ft) of the students of a class were as follows:
5, 5.1, 5.5, 5.2, 6, 5.9, 5.4, 5.2, 4.9, 5.3, 4.8, 5.8, 5.5, 6.2, 6, 5.9, 5.4
Find the range.

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1.1 ft

1.2 ft

1.4 ft

1.3 ft

answer is A.

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Detailed Solution

The heights (in ft) of students are 5, 5.1, 5.5, 5.2, 6, 5.9, 5.4, 5.2, 4.9, 5.3, 4.8, 5.8, 5.5, 6.2, 6, 5.9, 5.4

Height of tallest person = 6.2 ft

Height of shortest person = 4.8 ft

∴Range= Height of tallest person - Height of the shortest person

=6.2 - 4.8ft = 1.4ft

Hence, the range for heights of all the students in the class is 1.4 ft.

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