question.

Question:
Based on the data below can I use it to measure samples containing above 102(y value)?
And if the sample is at 120(y value) is the sample positive for the substance?
x y
0.1 1
0.3 1
0.5 1
1 3
5 5
12 9
17 16
22 20
25 28
34 34
44 46
54 56
79 80
92 80
102 80