d) (3 pts) If we add one more explanatory variable to a regression model, the new model will have: (circle all that apply) 1) Larger
d) (3 pts) If we add one more explanatory variable to a regression model, the new model will have: (circle all that apply) 1) Larger or the same R2 than the old model 2) Larger or smaller R2 than the old model 3) Smaller se than the old model 4) Larger or smaller se than the old model e) (3 pts) When the Mars Team uses Excel to run a regression analysis, they believe the intercept and slope coefficients that Excel gives are population parameters (as opposed to sample statistics). This is (circle one): 1) True 2) False f) (3 pts) The Mars Team believes that if a regression of Y on X has an R2 of 0.80, then a regression of X on Y will have an R2 of 0.80. This is (circle one): 1) True 2) False
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