Following is the age distribution of cardiac patients admitted during a month in a hospital Age (in years) No. of patients 20-30 2 30-40 8 40-50 15 50-60 12 60-70 10 70-80 5 Draw a 'less than type' and 'more than type' ogives and from the curves, find the median
Answers
Answered by
2
Answer:
12
Step-by-step explanation:
dear friend,
as higher frequency is 20,we take it as f1.
fo=x,f2=18,lower limit=50,height=10
by substituting these values in mode formula we get,
mode=l+(f1-fo/2f1-fo-f2)h
58=50(20-x/40-x-18)10
8=(20-x/22-x)10
8=200-10x/22-x
176-8x=200-10x
2x=24
x=12.
Similar questions