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

Q. 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

The marks (out of

100

) obtained by group of students in a science test are

85, 76, 90, 85, 39, 48, 56, 95, 81

and

75.

Find the:

1)Highest and lowest marks obtained by students.

2)Mean marks obtained.

3)No. of students who obtained marks more than mean marks.

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 obtained by 25 students in a science test are given below. (Marks out of 30)

\begin{matrix} 8 & 7 & 12 & 17 & 20 & 11 & 10 & 10 & 16 \\ 21 & 28 & 25 & 13 & 9 & 27 & 18 & 20 & 19 \\ 7 & 29 & 16 & 15 & 20 & 22 & 27 \end{matrix}

Using this data, answer the following questions:

(1) What is the lowest score obtained?
(2) How many students have obtained this lowest score?
(3) How many students have obtained 20 marks?
(4) What is the frequency of the score 27?
(5) How many students have scored more than 20 marks?

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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.