If class mark of a class - internal is 8.5 . The class size is 5 , then the class limits of the corresponding class interval is 2
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Answer:
Given class mark (x) = 8.5
Class size(h) = 5
Lower limit =x-h/2
=8.5-5/2
=8.5-2.5
=6
Upper limit =x+h/2
=8.5+5/2
=8.5+1.5
=10
Therefore, Class interval : 6 - 10
syatul1981:
otherwise
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