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 =
The mid-point of a class interval is called its __________________. | |||
| Right Option : B | |||
| View Explanation | |||
A class interval of a data has 15 as the lower limit and 25 as the class size, then the class mark of the class is ______________________. | |||
| Right Option : B | |||
| 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 | |||
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.
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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.
