• A regression equation is calculated to predict people how much popcorn (in grams) that people will eat based on the duration of movie trailers (in minutes). Whichvariableis Y (the DV) in this case?

a. Regression equation

b. Movie trailer

c. Trailer duration

d. Popcorn consumed

• We find that the equation for the previous question is = 50x + 250. How much popcorn would we expect people to eat if there were no movie trailers (0 minutes of trailers)?

a. 500 grams

b. 250 grams

c. 50 grams

d. 0 grams

• Why do predicted values of Y (Y with a "hat") generally not match actual values of Y?

(short answer)