The marks (out 15) obtained by 20 students in a science test are listed below:
5, 12, 13, 0, 2, 6, 11, 10, 8, 1, 0, 1, 5, 14, 3, 7, 13, 15, 4, 6
The number of students who obtained marks more than or equal to 6.

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Solution

The correct option is B 11
Let's arrange the marks obtained by 20 stdents in ascending order.
0,0,1,1,2,3,4,5,5,6,6,7,8,10,11,12,13,13,14,15
Therefore, the number of students who obtained marks more than or equal to 6 is 11.

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Question 2
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 obtained marks more than or equal to 5, is
(a) 13 (b) 15 (c) 16 (d) 17

In a science test, the following marks were obtained by $30$ students. Arrange these marks in a tabular form using tally marks.

$5, 7, 9, 6, 5, 8, 3, 7, 6, 5, 2, 9, 8, 1, 3, 5, 4, 8, 6, 7, 3, 1, 2, 9, 7, 4, 1, 5, 7, 6$

Find how many students obtained marks below $5$ .

Q. In a mathematics test following marks were obtained by 40 students of class VI. Arrange these marks in a table using, tally marks.

8	1	3	7	6	5	5	4	4	2
4	9	5	3	7	1	6	5	2	7
7	3	8	4	2	8	9	5	8	6
7	4	5	6	9	6	4	4	6	6

(i) Find how many students obtained marks equal to or more than 7?
(ii) How many students obtained marks below 4?

Q. The marks (out of 15) obtained by 20 students in a science test are listed below:
7, 10, 13, 4, 2, 8, 9, 12, 7, 2, 0, 3, 1, 15, 6, 5, 14, 11, 8, 15
The median of this data is:

Q. The marks (out 15) obtained by 20 students in a science test are listed below:
5, 12, 13, 0, 2, 6, 11, 10, 8, 1, 0, 1, 5, 14, 3, 7, 13, 15, 4, 6
The number of students who obtained marks more than or equal to 6.

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The marks (out 15) obtained by 20 students in a science test are listed below: 5, 12, 13, 0, 2, 6, 11, 10, 8, 1, 0, 1, 5, 14, 3, 7, 13, 15, 4, 6 The number of students who obtained marks more than or equal to 6.

The correct option is B 11Let's arrange the marks obtained by 20 stdents in ascending order. 0,0,1,1,2,3,4,5,5,6,6,7,8,10,11,12,13,13,14,15 Therefore, the number of students who obtained marks more than or equal to 6 is 11.

The marks (out 15) obtained by 20 students in a science test are listed below:
5, 12, 13, 0, 2, 6, 11, 10, 8, 1, 0, 1, 5, 14, 3, 7, 13, 15, 4, 6
The number of students who obtained marks more than or equal to 6.

The correct option is B 11
Let's arrange the marks obtained by 20 stdents in ascending order.
0,0,1,1,2,3,4,5,5,6,6,7,8,10,11,12,13,13,14,15
Therefore, the number of students who obtained marks more than or equal to 6 is 11.