Lecture 7 Flashcards
1
Q
What happens when P-value is <= alpha?
A
The observed value (P-value) is statistically significant and reject the null hypothesis
2
Q
What happens when P-value is > alpha?
A
Observed value is not statistically significant and do not reject null hypothesis
3
Q
What is the critical region?
A
Set of values of the test statistic that would cause us to reject the null hypothesis
4
Q
What is the critical value?
A
The value or values that separate the critical region from the values of the test statistic that would not lead to rejection of the null hypothesis
5
Q
How are left and right tailed test differentiated?
A
Left tailed: >
Right tailed: <
