An insurance company is interested in knowing the relationship between traffic accident claims arid the type of cars that policyholders drive. The numbers of accidents per 1,000 automobiles during last year in six states are reported in the accompanying table. Determine whether the three kinds of cars have the same average accident rate. Use a 5 % level of significance.

Transcribed Image Text:

State New Jersey New York Connecticut Massachusetts Vermont New Hampshire Type of automobile Sports Car 30 20 15 17 18 17 Sedan 15 15 12 13 21 12 Wagon 16 17 11 12 253 15 13