10. Trucks are used in many configurations. Three common configurations are tractors with 1, 2, and 3 trailers. Accident statistics for these configurations in 2002 are listed below. Fatal U.S. Truck Accidents in 2002 by Configuration Number of Registered Number of Vehicles Truck Configuration Tractor, 1 trailer Accidents 150,000 2,889 Tractor, 2 trailers 5,100 154 Tractor, 3 trailers 200 1 Assume these statistics represent simple random samples for each configuration. Which of the following would be the most appropriate test to use to determine whether the populations for each configuration have the same rate of fatal accidents? (A) One-sample proportion z-test (B) Two-sample proportion z-test (C) Chi-square test for independence (D) Chi-square goodness-of-fit test (E) Chi-square test for homogeneity of proportions

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10. Trucks are used in many configurations. Three
common configurations are tractors with 1,
2, and 3 trailers. Accident statistics for these
configurations in 2002 are listed below.
Fatal U.S. Truck Accidents in 2002
by Configuration
Number of
Truck
Registered Number of
Configuration
Tractor, 1 trailer
Vehicles
Accidents
150,000
2,889
Tractor, 2 trailers
Tractor, 3 trailers
5,100
154
200
Assume these statistics represent simple
random samples for each configuration.
Which of the following would be the most
appropriate test to use to determine whether
the populations for each configuration have
the same rate of fatal accidents?
(A) One-sample proportion z-test
(B) Two-sample proportion z-test
(C) Chi-square test for independence
(D) Chi-square goodness-of-fit test
(E) Chi-square test for homogeneity of
proportions
Transcribed Image Text:10. Trucks are used in many configurations. Three common configurations are tractors with 1, 2, and 3 trailers. Accident statistics for these configurations in 2002 are listed below. Fatal U.S. Truck Accidents in 2002 by Configuration Number of Truck Registered Number of Configuration Tractor, 1 trailer Vehicles Accidents 150,000 2,889 Tractor, 2 trailers Tractor, 3 trailers 5,100 154 200 Assume these statistics represent simple random samples for each configuration. Which of the following would be the most appropriate test to use to determine whether the populations for each configuration have the same rate of fatal accidents? (A) One-sample proportion z-test (B) Two-sample proportion z-test (C) Chi-square test for independence (D) Chi-square goodness-of-fit test (E) Chi-square test for homogeneity of proportions
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