The following marks were obtained by the students in a test : 81,72,90,90,86,85,92,70,71,83,89,95,85,79,62

The range of the marks is

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Solution

The correct option is D
33

Marks are 81,72,90,90,86,85,92,70,71,83,89,95,85,79,62

Here highest marks = 95

and lowest marks = 62

$∴$ Range = highest marks - lowest marks

= 95 - 62 = 33

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Similar questions

Q. The following marks were obtained by the students in a test

81, 72, 90, 90, 86, 85, 92, 70, 71, 83, 89, 95, 85, 79, 62

.
What is the range of the marks obtained?

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 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.

Question 1(b)

In a mathematics test, the following marks were obtained by 40 students. Arrange these marks on a table using tally marks.

How many students obtained marks below 4?

Q. In a mathematis 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 obtaned marks below 4?

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The following marks were obtained by the students in a test : 81,72,90,90,86,85,92,70,71,83,89,95,85,79,62 The range of the marks is

The correct option is D 33 Marks are 81,72,90,90,86,85,92,70,71,83,89,95,85,79,62 Here highest marks = 95 and lowest marks = 62 ∴ Range = highest marks - lowest marks = 95 - 62 = 33

The following marks were obtained by the students in a test : 81,72,90,90,86,85,92,70,71,83,89,95,85,79,62

The range of the marks is

The correct option is D
33

Marks are 81,72,90,90,86,85,92,70,71,83,89,95,85,79,62

Here highest marks = 95

and lowest marks = 62

$∴$ Range = highest marks - lowest marks

= 95 - 62 = 33