Class 9 Exam > Class 9 Questions > Given the class intervals 1-10, 11-20, 21-30,...
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Given the class intervals 1-10, 11-20, 21-30, …, then 20 is considered in class
- a)11-30
- b)11-20
- c)21-30
- d)15-25
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
Given the class intervals 1-10, 11-20, 21-30, …, then 20 is con...
And so on, what is the midpoint of the class interval 31-40?
The midpoint of a class interval is found by adding the lower and upper limits of the interval and dividing by 2.
For the interval 31-40, the lower limit is 31 and the upper limit is 40.
Midpoint = (31 + 40) / 2 = 71 / 2 = 35.5
Therefore, the midpoint of the class interval 31-40 is 35.5.
The midpoint of a class interval is found by adding the lower and upper limits of the interval and dividing by 2.
For the interval 31-40, the lower limit is 31 and the upper limit is 40.
Midpoint = (31 + 40) / 2 = 71 / 2 = 35.5
Therefore, the midpoint of the class interval 31-40 is 35.5.
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Given the class intervals 1-10, 11-20, 21-30, …, then 20 is con...
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