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The number of flights by U.S. Airlines has grown rapidly. Here are the number of flights flown in each year from 1995 to 2005.

a) Find the correlation of Flights with Year.

b) Make a scatterplot and describe the trend.

c) Note two reasons that the correlation you found in (a) is not a suitable summary of the strength of the association. Can you account for these violations of the conditions?

Year	Flights
1995	5,327,435
1996	5,351,983
1997	5,411,843
1998	5,384,721
1999	5,527,884
2000	5,683,047
2001	5,967,780
2002	5,271,359
2003	6,488,539
2004	7,129,270
2005	7,140,596

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M92204525

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