wk 10 hypothesis testing Flashcards
1
Q
what does a hypothesis make a claim about
A
population parameters
2
Q
what are the two hypothesis
A
null H(0) alternate H(1)
3
Q
How do we know if we reject the null hypothesis, what value determines this
A
the level of confidence
4
Q
what are the two types of errors that can occur in hypothesis testing
A
rejecting a true H0
failure to reject a false H0
5
Q
when does a two tailed test occur
A
when there is possible rejection on both sides
6
Q
when do we reject the null hypothesis when using the p value
A
when it is lower than the level of significance
7
Q
how to find p value
A
p(z < z value) + p ( z > z value)
