Qbeef is the quantity of beef consumed and is measured in pounds. Qpork is the quantity of pork consumed and is measured in pounds. Price is the price of beef and is measured in dollars per pound.
Corn is the price of corn and is measured in dollars per bushels.
Embargo is a dummy variable for an oil embargo. Tell me what you would do to correct the problem. If there is no problem, tell me that too. Name the four criteria for deciding whether or not a variable belongs in a regression. Draw graphs to demonstrate positive serial correlation, negative serial correlation, and heteroskedasticity.