P Values Flashcards
1
Q
Usual p value used
A
0.05 (95% confidence level)
2
Q
Formula for test statistic
A
(Observed value - expected value) / standard error of observed value
3
Q
If p level below 0.05…
A
Reject null hypothesis at 95% significant level
4
Q
Definition of p value
A
Probability of getting a test statistic as large as or greater than the observed if the null hypothesis is true.
Probability that the results occurred by chance
