Question

The following are the ages of 200 patients getting medical treatment in a hospital on a particular
day:
Age (in years) | 10 - 20 20 - 30 30 - 40 40 - 50 | 50 - 60 | 60 – 70
Number of patients
35
50
30
Write the above distribution as 'less than type' cumulative frequency distribution and also draw an
ogive to find the median.
O
22
23​

Answer 1

Median = 35

Step-by-step explanation:

Age in years       Number of Patients

10-20                       35

20-30                      50

30-40                      30

40-50                      40

50-60                      22

60-70                      23

Less than 20           35

Less than 30           85

Less than 40           115

Less than  50          155

Less than 60           177

Less than 70           200

Median =30  +  10 * (200/2 - 85)/30

= 30 + 5

= 35

Learn more:

Draw a less than and more than ogive in the same graph and find ...

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