Statistics Flashcards
1
Q
Type 1 error?
A
False positive / reject null hypothesis when it’s true
2
Q
Power is usually set at?
A
80%
3
Q
Type 2 error?
A
False negative / accept null hypothesis when there is a real difference
4
Q
How to calculate standard deviation?
A
square root of variance
5
Q
What to calculate standard error?
A
standard deviation / Square root (n sample size)
6
Q
How to calculate positive likelihood ratio?
A
(Sensitivity) / (1 - Specificity)
7
Q
How to calculate negative likelihood ratio?
A
(1 - Sensitivity) / (Specificity)
8
Q
A
