A survey was conducted in the San Francisco Bay area in which each participating individual was classified according to the type of vehicle used most often and city of residence. A subset of the resulting data are given in the accompanying table (The Relationship of Vehicle Type Choice to Personality, Lifestyle, Attitudibasednal and Demographic Variables, Technical Report UCD-ITS-RR02-06, DaimlerCrysler Corp., 2002).

Do the data provide convincing evidence of an association between city of residence and vehicle type? Use a significance level of .05. You may assume that it is reasonable to regard the sample as a random sample of Bay area residents.

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City Vehicle Type Small Compact Midsize Large Pleasant Hills North San Francisco 221 106 142 Concord 83 68 123 18 68 63 24