Z Tests Flashcards
1
Q
What is the equation for test statistic?
A
X bar - mean divided by s.d / square root of n
2
Q
How to find the critical value
A
Bigger= left
Smaller= right
Central
3
Q
Accepting H0
A
There is not enough evidence at a sign level to suggest that a … In the man variable has occurred
4
Q
Reject H0
A
There is sufficient evidence to suggest that a … In the mean has occurred
5
Q
What is the hypothesis?
A
Ho: mean=
H1: mean not equal to
