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To locate the median class of grouped data, we first find the class for which the cumulative frequency is just greater than or equal to:

Class 10Median of Grouped DataStatistics and Probability

A $\frac{n}{2}$
Bn
C $2 n$
D $\frac{n}{4}$

Step-by-Step Solution

The median class is the class whose cumulative frequency is just greater than (or equal to)

\frac{n}{2}

.

Answer: A)

\frac{n}{2}

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