Hypothesis Flashcards
1
Q
Errors
A
Type 1 reject H0 when H0 true (alpha)
Type 2 fail reject H0 when H0 false (1-B)
2
Q
LR rejection
A
<c
3
Q
GLR asympt
A
-2log(test)>chi^2_1, 1-alpha
4
Q
2 samples difference test
A
S2=n-1 s^2 + m-1 s^2 / n+m-2
Xbar-Ybar/s*sqrt 1/n 1/m as t n+m-2
reject for small t
5
Q
test variances
A
o^2/o^2 F n-1, m-1, 1-alpha
6
Q
A
