stats Flashcards
1
Q
What is a type 1 error?
A
The false positive
Fire alarm goes off but no fire
2
Q
What is a type 2 error?
A
False negative
3
Q
What is sensitivity?
A
TP/TP+FN
4
Q
What is specificity?
A
TN/TN+FP
5
Q
PPV?
A
TP/FP+TP
All positive
6
Q
NPV?
A
TN/TN+FN
7
Q
Accuracy?
A
TP+TN/TN+TP+FN+FP