stats 9
Card Set Information
Author:
famay
ID:
74511
Filename:
stats 9
Updated:
2011-03-22 15:14:29
Tags:
cha
Folders:
Description:
Power
Show Answers:
Specific Alternative Hypothesis
1. is always specific
2. Hs is always consistent w/ H1
3. always proposes a reasonable value for pop param
Factors Affecting Power
alpha incre, beta decre, power incre.
Effect Size
Is the deg to which the null Hypothesis is false. relative to the alternative.
Hypothesis tesiting is a function of: (4)
1. sig level (alpha)
2. power (1-(beta)
3. sample size
4. ES.