Question 7
In the class intervals, 10 - 20, 20 - 30, the number 20 is included in:

A) 10 - 20
B) 20 - 30
C) Both the intervals
D) None of these

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Solution

The answer is B.
The class interval 10 - 20 is the first interval of frequency distribution and 20 - 30 is the next one but the number 20 is present in both intervals.
We know that the presence of 20 in the interval 10 - 20 is not fully $100 %$ while in the next intervals 20 - 30, the presence of it fully $100 %$ .

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Similar questions

Q. Question 7
In the class intervals, 10 - 20, 20 - 30, the number 20 is included in:

A) 10 - 20
B) 20 - 30
C) Both the intervals
D) None of these

Q. In the class intervals 10−20, 20−30, the number 20 is included in
(a) 10−20
(b) 20−30
(c) in each of 10−20 and 20−30
(d) in none of 10−20 and 20−30

Q. In the class intervals

10 - 20, 20 - 30

, the number

20

is included in:

Choose the correct answer in each of the following questions:
In the class intervals 10-20, 20-30, the number 20 is included in
(a) 10-20
(b) 20-30
(c) in each of 10-20 and 20-30
(d) in none of 10-20 and 20-30

Q. In the class intervals 10-20, 20-30, 20 is taken in

(a) the interval 10-20

(b) the interval 20-30

(c) both intervals 10-20, 20-30

(d) none of the intervals

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Standard VIII Mathematics

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Question 7 In the class intervals, 10 - 20, 20 - 30, the number 20 is included in: A) 10 - 20 B) 20 - 30 C) Both the intervals D) None of these

Question 7
In the class intervals, 10 - 20, 20 - 30, the number 20 is included in:

A) 10 - 20
B) 20 - 30
C) Both the intervals
D) None of these