Marla did this the same way for each classmate, and then Zoe used this ruler to measure each straight line and record the
data below.
7.9
Student #
1
2
3
4
5
6
7
8
9
10
11
12
13
Lengths of Students' Index Fingers
Length (in inches) Student # Length (in inches)
8.5
14
8.0
8.2
15
9.2
8.3
16
7.2
17
6.9
8.9
18
8.9
7.9
19
8.0
17.2
20
8.3
7.5
21
7.4
8.4
22
7.0
7.6
23
8.6
8.4
24
8.9
9.0
25
8.2.
172
26
17.7
This data is invalid. What is the most likely reason why it is invalid?