Question 6(ii)
The marks (out of 100) obtained by a group of students in a science test are 85, 76, 90, 85, 39, 48, 56, 95, 81 and 75. Find the:
Range of the marks obtained.

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Solution

Range of marks = Highest marks – Lowest marks
= 95 – 39 =56

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Q. Question 6(iii)
The marks (out of 100) obtained by a group of students in a science test are 85, 76, 90, 85, 39, 48, 56, 95, 81 and 75. Find the:
Mean marks obtained by the group.

Q. Question 6(i)
The marks (out of 100) obtained by a group of students in a science test are 85, 76, 90, 85, 39, 48, 56, 95, 81 and 75. Find the:
The highest and the lowest marks obtained by the students.

The marks (out of 100) obtained by a group of students in a science test are 85, 76, 90, 85, 39, 48, 56, 95, 81 and 75. Find the:

(i) Highest and the lowest marks obtained by the students.

(ii) Range of the marks obtained.

(iii) Mean marks obtained by the group.

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.

The marks (out of $100$ ) obtained by a group of students in science test are $85, 76, 90, 84, 39, 48, 56, 95, 81$ and $75$ . Find the
(i) highest and the lowest marks obtained by the students.
(ii) range of marks obtained.
(iii) mean marks obtained by the group.

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Arithmetic Mean and Range

Standard VII Mathematics

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Question 6(ii) The marks (out of 100) obtained by a group of students in a science test are 85, 76, 90, 85, 39, 48, 56, 95, 81 and 75. Find the: Range of the marks obtained.

Range of marks = Highest marks – Lowest marks = 95 – 39 =56

Question 6(ii)
The marks (out of 100) obtained by a group of students in a science test are 85, 76, 90, 85, 39, 48, 56, 95, 81 and 75. Find the:
Range of the marks obtained.

Range of marks = Highest marks – Lowest marks
= 95 – 39 =56