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Question

The marks (out of 10) obtained by 28 students in a mathematics test are listed as below:
8, 1, 2, 6, 5, 5, 5, 0, 1, 9, 7, 8, 0, 5, 8, 3, 0, 8, 10, 10, 3, 4, 8, 7, 8, 9, 2, 0
The number of students who scored marks less than 4 is

A
15
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B
13
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C
12
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D
10
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Solution

The correct option is D 10
Let us arrange the given data in a table in ascending order we get,
0, 0, 0, 0, 1, 1, 2, 2, 3, 3, 4, 5, 5, 5, 5, 6, 7, 7, 8, 8, 8, 8, 8, 8, 9, 9, 10, 10
Marks which are less than 4 are, 0, 0, 0, 0, 1, 1, 2, 2, 3, 3.
So, there are 10 students whose marks are less than 4.
Hence, the correct option is D.

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