engineering recuitment TANGEDCO Field Assistant (Trainee) Mock Test Quantitative Aptitude Elementary Statistics
Comprehension Passage
Direction: Go through the observation table given below and answer the question based on it.
|
Class |
0 - 20 |
20 - 40 |
40 - 60 |
60 - 80 |
80 - 100 |
100 - 120 |
|
Frequency |
5 |
x |
20 |
15 |
y |
5 |
Median of the given observation is 48 and sum of all frequency is 70
What is the value of cumulative frequency of class interval 80 - 100?
1
45
2
55
3
65
4
75