Question

The following are the ages of 200 patients getting medical treatment in a hospital on a particular day :

Age (in year)	10-20	20-30	30-40	40-50	50-60	50-70
Number of Patients	40	22	35	50	23	30

Write the above distribution as'less than type' cumulative frequency distribution and also draw an ogive to find the median.

Answer 1

On plotting the obtained coordinates

(20, 40), (30, 52), (40, 97), (50, 147), (60, 170) and (70, 200) and draw 'less than type' curve.