Class mark of a class is _____ Options: A . &nbsp Upper limit + lower limit B . &nbsp upper limit + lower limit 2 C . &nbsp upper limit - lower limit 2 D . &nbsp upper limit - lower limit

Class mark of a class is ____

Question

Class mark of a class is _____

Options:

A . Upper limit + lower limit

B .

\frac{upper limit + lower limit}{2}

C .

\frac{upper limit - lower limit}{2}

D . upper limit - lower limit

Answer: Option B
:
B

Class mark is the midpoint of a class interval.
Therefore, its formula is given by $\frac{upper limit + lower limit}{2}$ .

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