Find the median of the following data: 12,36,33, 19, 24
Answers
Answer:
24
Step-by-step explanation:
1) Rearrangement 12,36,33, 19, 24
=> 12,19,24,33,36
2) There are 5 terms, to the middle term is the 3rd term, which is 24
So, 24 is the median
Answer:
Step-by-step explanation:
Calculate the median from the following data:
Marks
0 – 10
10 – 30
30 – 60
60 – 80
80 – 90
Number of students
5
15
30
8
2
Answer:
First, prepare the cumulative frequency table:
Marks
Number of students
Cumulative frequency
0 – 10
5
5
10 – 30
15
5 + 15 = 20
30 – 60
30
20 + 30 = 50
60 – 80
8
50 + 8 = 58
80 – 90
2
58 + 2 = 60
Here N = 60
∴ n = 60/2 = 30
The cumulative frequency (c.f) just greater than 30 is 50.
The corresponding class (Median class) = 30 – 60
l = 30
c.f = 30
F= 20
h = 30
\(Median = l + \frac{\frac{N}{2} – F}{c.f}\times h\) \(Median = 30 + \frac{ 30 – 20}{30}\times 30\)
Median = 40