American football is the highest paying sport on a per-game basis. Given that the quarterback is considered the most important player on an NFL team, he is typically well-compensated. Consider a portion of the following quarterback salary data in 2009; the entire data set, labeled Quarterback Salaries, can be found on the text website.
Name ....... Salary (in $ millions)
Philip Rivers .... 25.5566
Jay Cutler .... 22.0441
: :
Tony Romo ..... 0.6260

a. Use Excel to compute and interpret the mean and the median salary of a quarterback.
b. Use Excel to compute and interpret the range and the standard deviation of quarterback salaries.