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Calculating the class mark of class 90-130
The Solution:
The explanation says that the classmark is addressed as the mean of the lower limit & the upper limit of the remarked class intervals.
Now furthermore, let us calculate some numbers to find out the answer
Thus,
Classmark = (Lower Limit + the Upper limit), which is equally divided by 2
Now Class Mark, which is = to
(90 + 130) divided by 2
After the calculation, we will divide it by 2
220 divided by 2
The answer to this question will be 110.
So, the class mark of class 90-130 will be 110 after all the calculations.
