Question: Travel + Leisure magazine presented its annual list of the 500 best hotels in the world (Travel + Leisure. January 2009). The magazine provides a rating for each hotel along with a brief description that includes the size of the hotel. amenities. and the cost per night for a double room. A sample of 12 of the top-rated hotels in the United States follows.
a. What is the mean number of rooms?
b. What is the mean cost per night for a double room?
c. Develop a scatter diagram with the number of rooms on the horizontal axis and the cost per night on the vertical axis. Does there appear to be a relationship between the number of rooms and the cost per night? Discuss.
d. What is the sample correlation coefficient? What does it tell you about the relation-ship between the number of rooms and the cost per night fora double room? Does this appear reasonable? Discuss.