In: Statistics and Probability
|
Class Interval |
Frequency (fi) |
Cumulative Frequency (F) |
|
120-<130 |
1 |
1 |
|
130-<140 |
3 |
4 |
|
140-<150 |
8 |
12 |
|
150-<160 |
5 |
17 |
|
160-<170 |
3 |
20 |
|
∑fi = 20 |
b)median (4)
c)mode (4)
d)The interquartile range.. (10)
e)The coefficient of variation. (7)