Sources of Variation Flashcards
1
Q
What does random variation affect?
A
What we observe
2
Q
What is systematic variation attributed to?
A
New risk factors
3
Q
What does a p value smaller than 0.05 suggest?
A
Statistically significant evidence against the hypothesis -> rejection of null hypothesis
4
Q
What does a p value greater than 0.05 suggest?
A
Little or no evidence against the hypothesis, results are statistically insignificant.
