ctions. Complete the following table. Calculate the 3rd quartile, 4th decile and 90th per
e following data. Write your answers on your answer sheets.
Classes
Frequency
Lower Boundaries
Less tha
(LB)
Cumulati
Frequenc
81-91
4
70-80
9
59-69
13
12
48-58
10
3747
8
26-36
4
15-25
1. 3rd quartile (Q3)
2. 4th decile (D4)
3. 90th percentile (P90)
G
OP​