Question: How well do airline companies serve their customers? A study showed the following customer ratings: 3% excellent. 28% good. 45% fair, and 24% poor (BusinessWeek. September 1 I.2000). In a follow-up study of service by telephone companies. assume that a sample of 400 adults found the following customer ratings: 24 excellent. 124 good. 172 fair. and 80 poor. Is the distribution of the customer ratings for telephone companies different from the distribution of customer ratings for airline companies? Test with α = .01. What is your conclusion?