Find the median when x is 7 , 30 , 50 , 70 , 89 and f is 7, 8 - Maths - Statistics

Question

Find the median when x is 7 , 30 , 50 , 70 , 89 and f is 7, 8 , 10
, 15 , 10 here f is frequency and x is observation

Shruti Tyagi · Accepted Answer

Dear student,

We have,

Observation (x)
Frequency (f)
Cumulative Frequency (CF)

7
7
7

30
8
15

50
10
25

70
15
40

89
10
50

50 = N

As the given observations are odd so applying formula Median=12N+1th observation=1250+1=512th =25
5 th observationSo the Median is 70

Regards

Find the median when x is 7 , 30 , 50 , 70 , 89 and f is 7, 8 , 10 , 15 , 10 here f is frequency and x is observation