A class interval whose lower limit is 36.5 and class mark is 39 the upper limit will be
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L. L. = 36.5
C. M. = 39
U. L. =x
UL+LL÷2=39
UL+36.5=78
UL=78-36.5
=41.5
C. M. = 39
U. L. =x
UL+LL÷2=39
UL+36.5=78
UL=78-36.5
=41.5
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