Pls tell the answer of it

Pls tell the answer of it Find the median age. 0._15 Age (in years) Nurnber oi patients 5 20

Here N = 140 \Rightarrow \frac{N}{2} = \frac{140}{2} = 70 The cumulative frequency just greater than 70 is 115 and the corresponding class is 45 - 60 . Hence 45 - 60 is the median class . So, l = 45, h = 15, f = 50 and F = 65 Now, Median = l + \frac{\frac{N}{2} - F}{f} \times h = 45 + \frac{70 - 65}{50} \times 15 = 45 + \frac{5 \times 15}{50} = 45 + 1.5 = 46.5