Recall that the new test has sensitivity of 97% and a specificity of 95% making it a reasonably accurate test.
21. The new test was used in several other populations with varying disease prevalence. The table below
shows those results. The population that you examined on p. 5-6 has not been filled in yet. Copy your
answers from p. 5-6 questions 13, 17, 18, 19, and 20, into the correspondingly numbered cells of the
table.
(1 pt)
Prevalence
False Discovery Rate
False Omission Rate
2%
Positive Predictive
Value
28.36%
71.64%
Negative Predictive
Value
99.94%
0.06%
13.
17.
18.
19.
20.
₴
14%
75.95%
24.05%
99.49%
0.51%
50%
95.10%
4.90%
96.94%
3.06%
Answer the following questions in complete sentences. Explanations must mention specific column names
and/or values that support your conclusions.
22. As the Prevalence of the disease increases, what happens to the Positive Predictive Value? In context of
the test, explain what this means in practice?
(3 pts) lo