Question

find the median of data .class intervals 10-20 20-30 30-40 40-50 50-60
..frequency 8 16 36 34 6 100​

Answer 1

37.2

Step-by-step explanation:

class. frequency cumulative frequency

10-20. 8. 8

20-30. 16. 24

30-40. 36. 60

40-50. 34. 94

50-60. 6. 100

n/2= 100/2

=50th item

Median M=L+(n/2-pcf)x c

f

L=30

n/2=50

pcf=24

c=10

f=36

=30+(50-24)x10

36

=30+7.22

=37.22