Prices of Crude Oil Have Been Steadily Rising Over the Last

question 71

Multiple Choice

Prices of crude oil have been steadily rising over the last two years (The Wall Street Journal,December 14,2010) .The monthly data on price per gallon of unleaded regular gasoline in the United States from January 2009 to December 2010 were available.Three trend models were created,and the following relevant information became available. Which of the following would be a difference in the forecasts for the price of regular unleaded gasoline for February 2011 comparing two trend models: cubic and quadratic?

• A) $0.23
• B) $0.39
• C) $0.18
• D) $0.32

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Definitions:

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The situation that arises when the availability of food in a region is insufficient to meet the dietary needs of its population.

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