Class Mark
Class Mark
Class Mark:
It is equal to half of the sum of the lower and upper limits of a class or we can say that the number in the middle of the class interval is the class mark. It is found by adding the upper and lower limits and dividing by two .It can also be found by adding the upper and boundaries and dividing by two .
Illustration: Find the class mark for the interval 31-40
Solution:
The class mark can be found by dividing the sum of upper limit and the lower limit of the class
upper limit = 40
lower limit = 31
So class mark =
Find the class mark with maximum frequency by using the given data:
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| Right Option : B | |||||||||||||||||
| View Explanation | |||||||||||||||||
The mid value of 20-36 is _________________________. | |||
| Right Option : A | |||
| View Explanation | |||
In a city, the weekly observations on the cost of living index made in a study are given in the following table :
What is the class mark of first interval? | |||||||||||
| Right Option : A | |||||||||||
| View Explanation | |||||||||||
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10thAbhyas institute is one of the best coaching institute in the vicinity of Ambala Cantt area. The teachers of the institute are well experienced and very helpful in solving the problems of the students.The good thing of the institute is that it is providing extra classes for the students who are w...
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