Question

The marks of 11 students of a class are as given below : 78,11,99,63,94,6,78,36,30,55,22. The range of marks is
90
91
92
93

Answer 1

Hello mate,
Here, the formula of range: maximum marks- minimum marks
Now, maximum marks= 99
minimum marks= 6
range= 99-6
= 93

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Answer 2

Given:

The marks of 11 students of a class are 78,11,99,63,94,6,78,36,30,55,22.

To Find:

The range of the marks.

Solution:

The formula for finding the range of the marks is,

R = Maximum value - Minimum value

In context to the given data,

Range, R = Highest mark - Lowest mark

Highest mark = 99

Lowest mark = 6

Range = 99 - 6

Range of the marks of the 11 students, R = 93

The range of the marks is 93.