Table 3.5 gives data concerning the top 10 U.S. airlines (ranked by revenue) as listed on the

Question:

Table 3.5 gives data concerning the top 10 U.S. airlines (ranked by revenue) as listed on the Fortune magazine website on April 27. 2007.
a. Calculate the population range, variance, and standard deviation of the 10 revenues and of the 10 profits (note that negative values are losses rather than profits).
b. Using the population of profits, compute and interpret the c-score for each airline.