regression

Question 1

What is a hypo (null)

Answer 1

slope is 0 meaning no correlation

Question 1

Assumptions for reggesion

Answer 1

Independence, no pattersn in residula plots
residulas vs fitted should be a striaght line with no patterns
QQ should look like a line
Scale location should be a line

Question 2

dgrees of freedom

Answer 2

n-2

Question 3

p value for a regression

Answer 3

generally 2 sided