Activity 5:
Look at Me!
Find the 1st quartile, 7th decile, 35th percentile, and percentile rank of 115
and 155 for the following distribution.
Class Interval
151 - 160
141 - 150
131 - 140
121 - 130
111 - 120
101 - 110
91 - 100
81 - 90
71 - 80
Frequency
8
12
6.
10
7
11
13
9
4​