Q. 33.8( 11 Votes )

# The following tab

Answer :

To find median,

Assume Σf_{i} = N = Sum of frequencies,

h = length of median class,

l = lower boundary of the median class,

f = frequency of median class

and C_{f} = cumulative frequency

Lets form a table.

So, N = 150

⇒ N/2 = 150/2 = 75

The cumulative frequency just greater than (N/2 = ) 75 is 120, so the corresponding median class is 200 - 300 and accordingly we get C_{f} = 72(cumulative frequency before the median class).

Now, since median class is 200 - 300.

∴ l = 200, h = 100, f = 48, N/2 = 75 and C_{f} = 72

Median is given by,

⇒

= 200 + 6.25

= 206.25

Thus, median wage is Rs. 206.25.

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