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WAEC Mathematics 2016 Paper

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Question : 31

Total: 49

The marks of eight students in a test are: 3, 10, 4, 5, 14, 13, 16 and 7. Find the range

16
14
13
11

Solution:

Concept:

The range is the difference between the highest and lowest values in a data set.

Explanation:

The given marks are

3, 10, 4, 5, 14, 13, 16

and

7

.

Identify the highest mark and the lowest mark.

Highest mark

= 16

Lowest mark

= 3

Range

= \text{highest} - \text{lowest} = 16 - 3 = 13

Answer:

The range is

13

.

Correct option: C.

13

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