The Pittsburgh Steelers defeated the Arizona Cardinals 27 to 23 in professional footballs 43rd Super Bowl. With

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The Pittsburgh Steelers defeated the Arizona Cardinals 27 to 23 in professional football’s 43rd Super Bowl. With this win, its sixth championship, the Pittsburgh Steelers became the team with the most wins in the 43–year history of the event (Tampa Tribune, February 2, 2009).

The Super Bowl has been played in eight different states: Arizona (AZ), California (CA), Florida (FL), Georgia (GA), Louisiana (LA), Michigan (MI), Minnesota (MN), and Texas (TX). Data in the following table show the state where the Super Bowls were played and the point margin of victory for the winning team.

a. Show a frequency distribution and bar chart for the state where the Super Bowl was played.

b. What conclusions can you draw from your summary in part (a)? What percentage of Super Bowls were played in the states of Florida or California? What percentage of Super Bowls were played in northern or cold-weather states?

c. Show a stretched stem-and-leaf display for the point margin of victory for the winning team. Show a histogram.

d. What conclusions can you draw from your summary in part (c)? What percentage of Super Bowls have been close games with the margin of victory less than 5 points? What percentage of Super Bowls have been won by 20 or more points?

e. The closest Super Bowl occurred when the New York Giants beat the Buffalo Bills. Where was this game played and what was the winning margin of victory? The biggest point margin in Super Bowl history occurred when the San Francisco 49ers beat the Denver Broncos. Where was this game played and what was the winning margin of victory?