Brief answers. Need asap.
1) A) In your own words, what is spurious correlation?
b) What is the definition of spurious correlation and cite where you got it from (don’t use the slides).
c) In your own words, what is reverse causality?
d) What is the definition of reverse causality and cite where you got it from (don’t use the slides).
e) What is R^2 in your own words?
f) What is the exact definition from our slides? (or the one I say in class).
g) From our slides, repeat the six comments about R^2 in your own words (don’t copy and paste).
2) A) Give two different reasons why you would want to run a regression through the origin.
b) give two cases where regression through the origin might be reasonable that are not in our slides on the subject.
c) How do we safely determine if we should include an intercept term or not?