Find median if mid values are 37.5,42.5,47.5,52.5,57.5 ND number of students are 30,20,15,13,22
Answers
Given : mid values 37.5 42.5 47.5 52.5 57.5
number of students are 30, 20, 15, 13, 22
To Find : Median
Solution:
mid values 37.5 42.5 47.5 52.5 57.5
Difference between consecutive mid value = 5
5/2 = 2.5
Hence classes F CF
35 - 40 30 30
40 - 45 20 50
45 - 50 15 65
50 - 55 13 78
55 - 60 22 100
100/2 = 50
Hence 45 is the Median
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Given :
mid values 37.5 42.5 47.5 52.5 57.5
number of students are 30, 20, 15, 13, 22
To Find :
Median
Solution:
mid values 37.5 42.5 47.5 52.5 57.5
Difference between consecutive mid value = 5
5/2 = 2.5
Hence classes F CF
35 - 40 30 30
40 - 45 20 50
45 - 50 15 65
50 - 55 13 78
55 - 60 22 100
100/2 = 50
Hence 45 is the Median