Question

how to find median class​

Answer 1

Answer:

for odd= (n+1)/2

for even=[n/2+(n+1)/2]/2

Answer 2

To find the median class we need to focus on total number of data entries we have.

Let n be the total number of entries we have.

We need to find the central value of that and read the class corresponding to it.

Simply,

When n is even we find n/2

The class of cumulative frequency which has the number slightly greater than n/2 is taken as median class in this case.

This is when the data is a grouped data and not the raw data.

In case n is odd, we need to find (n+1)/2

Similarly, The class of cumulative frequency which is slightly greater than the value is taken as the median class.

Now, when we have raw data we do not consider classes and we have direct formulae for finding median when we have odd or even number of observations.