Question 11
Some integers are marked on a board. What is the range of these integers?

(a) 31
(b) 37
(c) 20
(d) 3

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Solution

Here, highest observation = + 20 and lowest observation -17
As we know,
Range = Highest observation - Lowest observation = + 20 - (- 17)= 20 + 17 = 37

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Similar questions

Marks obtained by students out of 20 in a class test are written on the board. What is the range of the marks?

12 ,14 , (-1), (-6), 15, 0, 8, 2. [2 MARKS]

Q. Look at the table given below:

Marks	0−10	11−20	21−30	31−40
No. of students	6	9	11	4

The true lower limit of the class 21−30 is
(a) 21
(b) 20
(c) 20.5
(d) 21.5

In a class test, if the marks scored by 11 students are 13, 17, 20, 5, 3, 19, 7, 6, 11, 15 and 17. Then, match the following:
$\begin{matrix} L i s t I & L i s t I I A . & M e d i a n & i & 17 B . & L o w e r q u a r t i l e & i i . & 11 C . & U p p e r q u a r t i l e & i i i . & 6 D . & I n t e r q u a r t i l e r a n g e & i v . & 13 \end{matrix}$

Q. Question 2
The range of the data 25, 18, 20, 22, 16, 6, 17, 15, 12, 30, 32, 10, 19, 8, 11 and 20 is:

A) 10
B) 15
C) 18
D) 26

Q. Which of the following dataset are organised?

Data 1 :- {2 , 5 , 61 , 21 , 11 ,15}
Data 2 :- {12 , 5 , 6 , 10 , 11 ,15}
Data 3 :- {2 , 5 , 6 , 16 , 11 ,15}
Data 4 :- {2 , 5 , 6 , 10 , 11 ,15}

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Arithmetic Mean and Range

Standard VII Mathematics

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Question 11 Some integers are marked on a board. What is the range of these integers? (a) 31 (b) 37 (c) 20 (d) 3

Here, highest observation = + 20 and lowest observation -17 As we know, Range = Highest observation - Lowest observation = + 20 - (- 17)= 20 + 17 = 37

Question 11
Some integers are marked on a board. What is the range of these integers?

(a) 31
(b) 37
(c) 20
(d) 3

Here, highest observation = + 20 and lowest observation -17
As we know,
Range = Highest observation - Lowest observation = + 20 - (- 17)= 20 + 17 = 37