Quiz Three Flashcards
1
Q
Four steps of Hypothesis test
A
- Frame hypothesis
-Ho or H1 - Identify criteria
- Calculate score
- Make a decision
-is my score extreme enough
-reject null or fail to reject it
2
Q
Ho
A
The null hypothesis
-the researchers hypothesis made no difference
-the dependent variable did not change
3
Q
H1
A
The alternative hypothesis
-the researchers hypothesis did change
-the dependent variable was effected by the independent
4
Q
Purpose of alpha level
A
The alpha level is the score that marks the cut-off between and common score and an extreme score
-turn it into a percentage
5
Q
Numerator of a hypothesis test
A
Actual mean difference
6
Q
Denominator of a hypothesis test
A
Expected mean difference (if the Ho is true)
7
Q
t=
A
M-m/Sm