Class mark of a class is _____

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Class mark of a class is _____

Options:

A . Upper limit + lower limit

B . upper limit + lower limit2

C . upper limit - lower limit2

D . upper limit - lower limit

Answer: Option B
:
B
Class mark is the midpoint of a class interval.
Therefore, its formula is given by

\frac{upperlimit + lowerlimit}{2}

.

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