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The class mark of the class interval 2.4-6.6 is
  • a)
    2.4
  • b)
    6.6
  • c)
    4.5
  • d)
    4.2
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
The class mark of the class interval 2.4-6.6 isa)2.4b)6.6c)4.5d)4.2Cor...
Finding the Class Mark of a Class Interval

To find the class mark of a class interval, we need to determine the midpoint of the interval. The class mark is also known as the class midpoint or the class center. It is the average of the lower and upper limits of the class interval.

Formula for Class Mark

Class Mark = (Lower Limit + Upper Limit) / 2

Calculation

The given class interval is 2.4-6.6.

Lower Limit = 2.4
Upper Limit = 6.6

Class Mark = (Lower Limit + Upper Limit) / 2
Class Mark = (2.4 + 6.6) / 2
Class Mark = 9 / 2
Class Mark = 4.5

Therefore, the class mark of the class interval 2.4-6.6 is 4.5.

Answer: Option C
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Community Answer
The class mark of the class interval 2.4-6.6 isa)2.4b)6.6c)4.5d)4.2Cor...
2.4 + 6.6 / 2 = 4.5
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