Hypothesis Testing Flashcards
1
Q
What are the 4 conditions in order to use the distribution model?
A
- Fixed number of trials
- Trials are independent
- Probability of success is constant
- Only outcomes are success or failure
2
Q
What happens when the probability is changed?
A
The significance level is halfed
and the critical region has an upper and lower tail
3
Q
When is the null hypothesis rejected?
A
If the test statistics lower than the significance level
4
Q
what is the key word to indicate it’s one tailed?
A
decreased or increased
5
Q
what key word indicates its two tailed?
A
changed
6
Q
what is the critical region?
A
area where if the test statistic falls in the Ho is rejected
7
Q
What is the critical value?
A
The first value to fall within the region
Where it changes from not to rejecting