what is the class mark of class 25-30?
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Class mark = Lower limit + Upper limit/2
Classmark of class 25-30 = 25 + 30/2
= 27.5.
Classmark of class 25-30 = 25 + 30/2
= 27.5.
shreya204:
but this is wrong answer
Is 27.5 the correct answer?
yes
My mistake.I have corrected. Thanks
thank you for helping me
please answer again with formula
Thank You
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