The marks scored out of 10, in a test by 13 students of a class are given as:
$6, 7, 3, 7, 6, 9, 4, 6, 10, 4, 6, 8, 9$

If the passing marks are 4, how many students failed?

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Solution

The correct option is C 1
To find how many students got less than 4 marks, we will arrange the data in ascending order
$3, 4, 4, 6, 6, 6, 6, 7, 7, 8, 9, 9, 10$
Only 1 student has scored less than 4.
Therefore, the number of students who have failed is 1.

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The marks scored by 13 students are given as: 6,7,3,7,6,9,4,6,10,4,6,8,9. If the pass mark is 4, how many students failed?

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The marks scored out of 10 by 13 students of a class are given as:
$6, 7, 3, 7, 6, 9, 4, 6, 10, 4, 6, 8, 9$

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