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 =
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 interval 158 - 168 ? | |||||||||||
| Right Option : D | |||||||||||
| View Explanation | |||||||||||
The class mark of the class is 25 and if the upper limit of that class is 32, the lower limit for that class is ______________________. | |||
| Right Option : A | |||
| View Explanation | |||
The mid value of 20-36 is _________________________. | |||
| Right Option : A | |||
| View Explanation | |||
Students / Parents Reviews [10]
My experience with Abhyas is very good. I have learnt many things here like vedic maths and reasoning also. Teachers here first take our doubts and then there are assignments to verify our weak points.
Shivam Rana
7thAbout Abhyas metholodology the teachers are very nice and hardworking toward students.The Centre Head Mrs Anu Sethi is also a brilliant teacher.Abhyas has taught me how to overcome problems and has always taken my doubts and suppoeted me.
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Barkha Arora
10thAbhyas is a complete education Institute. Here extreme care is taken by teacher with the help of regular exam. Extra classes also conducted by the institute, if the student is weak.
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Yatharthi Sharma
10thA marvelous experience with Abhyas. I am glad to share that my ward has achieved more than enough at the Ambala ABHYAS centre. Years have passed on and more and more he has gained. May the centre flourish and develop day by day by the grace of God.
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7thAbhyas Methodology is very good. It is based on according to student and each child manages accordingly to its properly. Methodology has improved the abilities of students to shine them in future.
