how to find class interval.
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First find the difference of the class marks. Then divide the differnce by 2. And then subtracted the answer and also add it. You will get class intervals.
For example:- Class marks are given as 4,8,12.
The difference is 4. Dividing it by 2. we will get 2.
Subtract and add 2 to the class marks.i.e 4-2 and 4+2. We get class intervals as 2-6. We can do this further by the same method.
For example:- Class marks are given as 4,8,12.
The difference is 4. Dividing it by 2. we will get 2.
Subtract and add 2 to the class marks.i.e 4-2 and 4+2. We get class intervals as 2-6. We can do this further by the same method.
anirudh4179:
no
not like this
suppose 42, 21,50,37,38,42,37,38,42,49,52,38,42, are given means how to find class interval
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