8.2 The most popular burger joint. If you live in the United States, you may have heard your friends debate whether In-N-Out Burger or Five Guys Burgers and Fries has the better hamburger. According to the Consumer Reports National Research Center, In-N-Out Burger ranked first in both 2011 and 2014. Five Guys Burgers and Fries ranked third in 2011 but seventh in 2014. Is this proof that In-N-Out has better burgers? Do you think these ratings are biased, unreliable, or both? Explain your answer.